कोणीय त्वरण सूत्र: घूर्णी गति के रहस्यों का अनावरण

कोणीय त्वरण का माप है किसी वस्तु का कोणीय वेग कितनी तेजी से बदलता है अधिक समय तक। यह है एक महत्वपूर्ण अवधारणा in physics and engineering, particularly in अध्ययन of rotational motion. Angular acceleration is denoted by प्रतीक α and is calculated using the formula α = Δω / Δt, where Δω represents the change in angular velocity and Δt represents the change in time. This formula allows us to quantify the rate at which किसी वस्तु का घूमनाअल गति is changing. Understanding angular acceleration is essential for analyzing व्यवहार of rotating objects and designing systems that involve rotational motion.

चाबी छीन लेना

सूत्रDescription
α = Δω / Δtकोणीय त्वरण सूत्र

कोणीय त्वरण को समझना

Angular acceleration is a fundamental concept in rotational motion and physics. It measures कोणीय वेग कितनी तेजी से of एक वस्तु बदल जाती है अधिक समय तक। में सरल शर्तें, it quantifies how fast किसी वस्तु का घूमना is speeding up or slowing down.

Definition of Angular Acceleration

Angular acceleration is defined as the rate of change of angular velocity with respect to time. It is denoted by प्रतीक α (alpha) and is measured in units of radians per second squared (rad/s²). The formula for angular acceleration is:

α = (ωf - ωi) / t

कहा पे:
– α है कोणीय त्वरण
- ωf
is अंतिम कोणीय वेग
- ωi
is प्रारंभिक कोणीय वेग
- टी
is the time taken for the change in angular velocity

Angular Acceleration vs Angular Velocity

Angular acceleration and angular velocity are closely related but represent विभिन्न दृष्टिकोण घूर्णी गति का. कोणीय गति उपायों the rate at which an object rotates, while angular acceleration measures कोणीय वेग कितनी तेजी से परिवर्तन।

बेहतर समझने के लिए अंतर, आइए एक उदाहरण पर विचार करें। कल्पना करना एक घूमता हुआ शीर्ष. कोणीय वेग of the top tells us how fast it is spinning, while the angular acceleration tells us if घूमना is getting faster or slower. If the angular acceleration is positive, the top is speeding up. If it is negative, the top is slowing down.

क्या कोणीय त्वरण बदलता है?

हाँ, angular acceleration can change. Just like linear acceleration can cause a change in रेखीय वेग, angular acceleration can cause a change in angular velocity. महत्व and direction of angular acceleration depend on the torque applied to an object and its moment of inertia.

In rotational dynamics, torque is the rotational equivalent of force, and moment of inertia is the rotational equivalent of mass. When एक टॉर्क is applied to an object, it causes angular acceleration, which in turn changes वस्तु का कोणीय वेग.

To find the change in angular velocity over एक निश्चित समय अंतराल, हम प्रयोग कर सकते हैं समीकरण:

Δω = α * t

कहा पे:
– Δω is the change in angular velocity
– α है कोणीय त्वरण
- टी
समय अंतराल है

By knowing the initial angular velocity, the angular acceleration, and the time interval, we can determine the change in angular velocity and इसकी दिशा.

In summary, understanding angular acceleration is crucial in studying rotational motion and kinematics. It helps us analyze how objects rotate, how their angular velocity changes over time, and how external forces affect उनकी घूर्णी गतिशीलता. लगाने से उपयुक्त सूत्र and equations, we can find the change in angular velocity and understand the direction and magnitude of angular acceleration.

The Angular Acceleration Formula

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The angular acceleration formula is एक मौलिक समीकरण in घूर्णी गति भौतिकी that relates the angular acceleration of an object to विभिन्न अन्य पैरामीटर जैसे टोक़, पल of inertia, and angular velocity. It allows us to calculate the rate at which an object’s angular velocity changes over time.

Basic Angular Acceleration Formula

The basic angular acceleration formula द्वारा दिया गया है:

α = Δω / Δt

कहा पे:
– α represents the angular acceleration
– Δω represents the change in angular velocity
– Δt समय में परिवर्तन को दर्शाता है

This formula tells us that the angular acceleration of an object is equal to the change in इसका कोणीय वेग divided by the change in time. By knowing the initial and final angular velocities, as well as the time interval, we can easily calculate the angular acceleration.

कोणीय त्वरण सूत्र की व्युत्पत्ति

The angular acceleration formula can be derived using principles of kinematics and rotational dynamics. Starting with समीकरण:

ω = ω₀ + αt

कहा पे:
- ω represents the final angular velocity
- ω₀ represents the initial angular velocity
– α represents कोणीय त्वरण
- टी
represents the time interval

पुनर्व्यवस्थित करके यह समीकरण, we can isolate the angular acceleration:

α = (ω - ω₀) / t

यह व्युत्पत्ति shows that the angular acceleration is equal to the change in angular velocity divided by the time interval.

Angular Acceleration Formula in Terms of Angular Velocity

The angular acceleration formula can also be expressed in terms of angular velocity and moment of inertia. It is given by:

α = τ / I

कहा पे:
– α represents the angular acceleration
– τ represents the torque applied to the object
– I represents the moment of inertia of the object

This formula tells us that the angular acceleration is directly proportional to the torque applied to the object and inversely proportional to its moment of inertia. It provides a useful relationship के बीच दबावs किसी वस्तु पर कार्य करना और its resulting angular acceleration.

Angular Acceleration Formula in Terms of Linear Velocity

In कुछ मामले, it may be necessary to relate the angular acceleration of an object to its रेखीय वेग. यह सूत्र का उपयोग करके किया जा सकता है:

α = a / r

कहा पे:
– α represents the angular acceleration
– a represents the linear acceleration of a point on उदेश्य
- आर
represents the distance from the point to the axis of rotation

This formula tells us that the angular acceleration is equal to the linear acceleration divided by the distance from the point to the axis of rotation. It allows us to connect la रैखिक और कोणीय गति किसी वस्तु का।

By understanding and utilizing the angular acceleration formula, we can analyze and solve विभिन्न समस्याएं related to rotational motion in physics. Whether we need to find the change in angular velocity over time, determine the torque required to achieve a certain angular acceleration, or relate रैखिक और कोणीय गति, this formula provides एक मूल्यवान उपकरण for calculations and understanding the dynamics of rotating objects.

कोणीय त्वरण को प्रभावित करने वाले कारक

कोणीय त्वरण है एक प्रमुख अवधारणा घूर्णी गति में और इससे प्रभावित होता है कई कारण। समझ ये कारक is crucial in comprehending the dynamics of rotating objects. In यह अनुभाग, हम अन्वेषण करेंगे तीन महत्वपूर्ण प्रश्न related to angular acceleration: Does Angular Acceleration Depend on Mass?, Does Angular Acceleration Depend on Radius?, and Is Angular Acceleration the Same Everywhere?

Does Angular Acceleration Depend on Mass?

When it comes to angular acceleration, the mass of an object does not directly influence its rotational motion. Unlike linear acceleration, which depends on सामूहिक, angular acceleration द्वारा मुख्य रूप से निर्धारित किया जाता है अन्य कारकों such as torque and moment of inertia. Torque, which is the rotational equivalent of force, plays एक महत्वपूर्ण भूमिका in angular acceleration. The moment of inertia, which depends on बड़े पैमाने पर वितरण of an object, also affects the angular acceleration. However, it is important to note that the mass itself does not directly impact the angular acceleration.

Does Angular Acceleration Depend on Radius?

त्रिज्या of rotation does have एक प्रभाव on angular acceleration. In rotational motion, the angular acceleration is inversely proportional to चौराहा of the radius. This means that as the radius increases, the angular acceleration decreases, and vice versa. यह रिश्ते can be derived from the formula for angular acceleration, which involves अनुपात of torque to moment of inertia. Therefore, when considering कारक influencing angular acceleration, the radius of rotation plays एक महत्वपूर्ण भूमिका.

Is Angular Acceleration the Same Everywhere?

नहीं, angular acceleration is not the same everywhere. In rotational motion, the angular acceleration can vary depending on स्थान within the rotating object. This is because विभिन्न भाग of the object may experience different torques या ले लो different moment of inertia values. For example, if an object is rotating about एक निश्चित अक्ष, the angular acceleration may be higher at बाहरी किनारे की तुलना में बीच में. यह गैर-समान वितरण of angular acceleration is एक महत्वपूर्ण पहलू of rotational dynamics and should be taken into account when analyzing rotational motion.

निष्कर्ष के तौर पर, angular acceleration से प्रभावित है कई कारक जैसे टोक़, पल of inertia, and radius of rotation. While mass does not directly affect angular acceleration, it indirectly influences it through इसका प्रभाव on moment of inertia. Understanding ये कारक is essential in solving problems related to rotational motion and applying उपयुक्त समीकरण of kinematics and dynamics.

Angular Acceleration in Different Scenarios

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Angular acceleration is a fundamental concept in rotational motion and physics. It measures the rate at which an object’s angular velocity changes over time. In अन्य शब्द, it quantifies how quickly किसी वस्तु का घूमनाअल गति or दिशा बदल जाती है. Angular acceleration plays एक महत्वपूर्ण भूमिका in understanding the dynamics of rotating objects and is commonly used in विभिन्न वैज्ञानिक और इंजीनियरिंग अनुप्रयोग.

Angular Acceleration Formula with Force

. एक बल के लिए लागू किया जाता है एक घूमने वाली वस्तु, यह बदलाव का कारण बन सकता है इसका कोणीय वेग, resulting in angular acceleration. The formula to calculate angular acceleration with force is:

Angular Acceleration (α) = Torque (τ) / Moment of Inertia (I)

यहाँ, टॉर्क दर्शाता है घूर्णी बल applied to the object, and the moment of inertia is a measure of वस्तु का प्रतिरोध to changes in its rotational motion. By dividing the torque by the moment of inertia, we can determine the angular acceleration experienced by the object.

Angular Acceleration Formula with Radius and Velocity

दूसरा रास्ता to calculate angular acceleration is by using the object’s radius and रेखीय वेग. सूत्र इस प्रकार है:

Angular Acceleration (α) = Acceleration (a) / Radius (r)

In यह समीकरण, acceleration refers to the linear acceleration of a point on the rotating object, and radius represents the distance between the point and the axis of rotation. Dividing the linear acceleration by the radius gives us the angular acceleration.

Angular Acceleration Formula with Inertia

The moment of inertia, which is a measure of किसी वस्तु का प्रतिरोध to changes in its rotational motion, can also be used to calculate angular acceleration. The formula is given by:

Angular Acceleration (α) = Change in Angular Velocity (Δω) / Time (t)

Here, the change in angular velocity is अंतर के बीच the final and initial angular velocities, and time represents अवधि over which the change occurs. Dividing the change in angular velocity by the time gives us the angular acceleration.

Angular Acceleration Formula with Torque and Moment of Inertia

का रिश्ता के बीच टोक़, पल of inertia, and angular acceleration can be expressed using the following formula:

Torque (τ) = Moment of Inertia (I) * Angular Acceleration (α)

यह समीकरण shows that torque is directly proportional to the moment of inertia and angular acceleration. By rearranging the formula, we can solve for angular acceleration when torque and moment of inertia are known.

ये सूत्र प्रदान करना मूल्यवान अंतर्दृष्टि में व्यवहार of rotating objects and allow us to analyze and predict their angular acceleration in विभिन्न परिदृश्य. Whether it’s finding the angular acceleration caused by एक बल, radius and velocity, inertia, or torque and moment of inertia, these formulas help us understand the kinematics and dynamics of rotational motion.

Converting Angular Acceleration

Angular acceleration is a fundamental concept in rotational motion and physics. It describes the rate at which an object’s angular velocity changes over time. Understanding angular acceleration is crucial for analyzing the dynamics of rotating objects and predicting their behavior.

Angular Acceleration Formula to Linear

To convert angular acceleration to linear acceleration, we can use the following formula:

a = r * α

कहा पे:
- a रैखिक त्वरण है
- r is the radius or distance from the axis of rotation
- α कोणीय त्वरण है

This formula allows us to relate घूर्णी गति किसी वस्तु का इसकी रैखिक गति. By knowing the radius and angular acceleration, we can determine the linear acceleration experienced by a point on the rotating object.

Angular Acceleration Formula in Terms of Linear Acceleration

Conversely, if we know the linear acceleration of an object, we can find इसका कोणीय त्वरण सूत्र का उपयोग करना:

α = a / r

कहा पे:
- α कोणीय त्वरण है
- a रैखिक त्वरण है
- r is the radius or distance from the axis of rotation

This formula allows us to calculate the angular acceleration based on the linear acceleration of an object. It is particularly useful when analyzing the rotational dynamics of systems where linear acceleration is known or can be measured.

Angular Acceleration Formula with Linear Acceleration

In कुछ मामले, we may need to find the angular acceleration of an object based on its initial and final angular velocities, as well as the time it takes to change between them. The formula for यह परिदृश्य है:

α = (ωf - ωi) / t

कहा पे:
- α कोणीय त्वरण है
- ωf is the final angular velocity
- ωi प्रारंभिक कोणीय वेग है
- t is the time taken for the change

यह समीकरण allows us to determine the angular acceleration when we have information about the initial and final angular velocities and the time it takes for the change to occur.

By understanding and utilizing these formulas, we can analyze and solve problems related to angular acceleration in rotational motion. Whether we need to convert angular acceleration to linear acceleration or vice versa, these formulas provide एक मूल्यवान उपकरणset for studying the kinematics and dynamics of rotating objects.

Practical Applications of Angular Acceleration Formula

Angular Acceleration Formula in Physics

In मैदान of physics, the angular acceleration formula is used to analyze and understand rotational motion. It allows us to calculate the rate at which an object’s angular velocity changes over time. By knowing the angular acceleration, we can determine how quickly an object is rotating and how its rotational motion is affected by external forces.

एक व्यावहारिक अनुप्रयोग of the angular acceleration formula in physics is in अध्ययन of कठोर शरीर. Rigid bodies are objects that maintain उनका आकार and do not deform under प्रभाव of external forces. By applying the formula, we can analyze the rotational dynamics of कठोर शरीर and predict their behavior in विभिन्न परिदृश्य.

Angular Acceleration Formula in Pendulum

एक और व्यावहारिक अनुप्रयोग of the angular acceleration formula is in विश्लेषण of pendulums. एक लोलक is एक वजन इस अवधि से विलंबित एक निश्चित बिंदु that can swing back and forth under प्रभाव of gravity. The angular acceleration formula allows us to calculate the angular acceleration of एक पेंडुलम, which determines how quickly it swings back and forth.

By using the formula, we can study प्रस्ताव of pendulums and understand factors that affect their behavior, such as लंबाई of पेंडुलम, का द्रव्यमान वजन, तथा गुरुत्वाकर्षण बल उस पर अभिनय। यह ज्ञान डिजाइनिंग और अनुकूलन में महत्वपूर्ण है pendulum-based systemsइस तरह के रूप में, दादा घड़ियाँ or मनोरंजन पार्क में सवारी.

Angular Acceleration Formula with RPM

The angular acceleration formula can also be applied when dealing with rotational motion measured in revolutions per minute (RPM). RPM is एक इकाई of angular velocity that represents संख्या of पूर्ण घुमाव एक वस्तु अंदर आती है एक मिनट. By using the formula, we can calculate the angular acceleration of an object in terms of RPM.

यह अनुप्रयोग is particularly useful in fields such as ऑटोमोटिव इंजीनियरिंग, जहां घूर्णी गति इंजनों की और अन्य यांत्रिक घटक is often measured in RPM. By understanding the angular acceleration, engineers can analyze प्रदर्शन और की दक्षता ये सिस्टम और बनाओ आवश्यक समायोजन अनुकूलन करने के लिए उनका संचालन.

Angular Acceleration Formula with Revolutions

In addition to RPM, the angular acceleration formula can be used to calculate angular acceleration in terms of revolutions. A revolution is a complete rotation चारों ओर एक निश्चित अक्ष. By utilizing the formula, we can determine the angular acceleration of an object based on संख्या of revolutions it undergoes in एक निश्चित समयावधि.

यह अनुप्रयोग में प्रासंगिक है विभिन्न क्षेत्र, including astronomy and robotics. For example, in astronomy, the angular acceleration formula can be used to analyze घूर्णी गति of खगोलीय पिंड and understand their behavior. In robotics, the formula can help in designing and controlling रोबोट हथियार or joints, ensuring precise and efficient movement.

By understanding and applying the angular acceleration formula in these practical scenarios, हम लाभ प्राप्त कर सकते हैं मूल्यवान अंतर्दृष्टि into the dynamics of rotational motion and make सूचित निर्णय in विभिन्न क्षेत्र of study and industry.

How to Calculate Angular Acceleration

Angular acceleration is a fundamental concept in rotational motion and physics. It measures the rate at which an object’s angular velocity changes over time. Understanding how to calculate angular acceleration is crucial for analyzing the dynamics of rotating objects. In इस गाइड, we will explore the formula and methods to find angular acceleration.

How to Find Angular Acceleration Formula

To calculate angular acceleration, we need to consider the change in angular velocity and the time it takes for वह परिवर्तन to occur. The formula for angular acceleration is:

Angular Acceleration (α) = (Change in Angular Velocity (Δω)) / (Change in Time (Δt))

इकाइयाँ of angular acceleration are typically radians per second squared (rad/s²) or degrees per second squared (°/s²), depending on इकाई used for angular velocity and time.

To find the angular acceleration, follow ये कदम:

  1. Determine the initial angular velocity (ω₀) and the final angular velocity (ω₁) of the rotating object. Make sure to note the direction of rotation, as it affects the sign of the angular acceleration.

  2. Calculate the change in angular velocity (Δω) by subtracting the initial angular velocity from the final angular velocity. Consider the sign of the change based on the direction of rotation.

  3. Determine the time interval (Δt) over which the change in angular velocity occurs. This could be given in seconds, minutes, or कोई अन्य इकाई समय की.

  4. Plug the values of Δω and Δt into the formula for angular acceleration (α) to calculate परिणाम. Remember to include उपयुक्त इकाइयाँ.

आइए इसे स्पष्ट करने के लिए एक उदाहरण के माध्यम से काम करें हिसाब कोणीय त्वरण का:

उदाहरण:
मान लीजिए पहिया के साथ शुरू करो an initial angular velocity of २ रेडियन per second (rad/s) and accelerates uniformly to a final angular velocity of 100 रेडआईएएनएस per second (rad/s) in एक समय अंतराल of है 5सेकंड्स. What is the angular acceleration?

सूत्र का उपयोग करना:

Angular Acceleration (α) = (Change in Angular Velocity (Δω)) / (Change in Time (Δt))

हम मानों को प्रतिस्थापित कर सकते हैं:

Δω = 100 rad/s - 50 rad/s = 50 rad/s
Δt = 5 s

Angular Acceleration (α) = 50 rad/s / 5 s = 10 rad/s²

Therefore, the angular acceleration of पहिया is २ रेडियन per second squared (rad/s²).

Angular Acceleration Formula Calculator

To make it easier for you to calculate angular acceleration, you can use निम्नलिखित कैलकुलेटर:

Angular Acceleration Formula Calculator
Δω (Change in Angular Velocity):
Δt (Change in Time):
Angular Acceleration (α):

Simply input the values for the change in angular velocity (Δω) and the change in time (Δt), and गणक यंत्र will provide you with the angular acceleration (α) in radians per second squared (rad/s²) or degrees per second squared (°/s²).

Remember to consider the direction of rotation when interpreting the sign of the angular acceleration. एक सकारात्मक मूल्य इंगित करता है का मुकाबलादक्षिणावर्त घुमाव, जबकि एक नकारात्मक मान इंगित करता है दक्षिणावर्त घुमाव.

Now that you understand how to calculate angular acceleration and have access to a convenient calculator, you can confidently analyze the rotational dynamics of objects in motion.

Examples of Angular Acceleration Calculations

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कोणीय त्वरण है एक महत्वपूर्ण अवधारणा in rotational motion and physics. It measures कोणीय वेग कितनी तेजी से of एक वस्तु बदल जाती है अधिक समय तक। आइए ढूंढते हैं कुछ उदाहरण of angular acceleration calculations बेहतर समझने के लिए यह अवधारणा.

Angular Acceleration Formula Example

To find the angular acceleration of an object, we can use the following formula:

Angular Acceleration (α) = (Change in Angular Velocity (Δω)) / (Change in Time (Δt))

Let’s consider an example to illustrate this formula. Suppose पहिया के साथ शुरू करो an initial angular velocity of 100 रेडआईएएनएस per second (rad/s) and after है 5सेकंड्स, इसका कोणीय वेग तक बढ़ जाता है 200 रेड/से. We can calculate the angular acceleration as follows:

"`
Δω = 200 rad/s – 100 रेड/एस = 100 रेड/s
t
= है 5

Angular Acceleration (α) = (100 रेड/s) / (है 5) = 20 रेड/एस²
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Therefore, the angular acceleration of पहिया is 20 रेड/एस².

Angular Acceleration Formula Dimensions

The dimensions of angular acceleration can be derived from इसका सूत्र. Let’s break down the formula to understand इसके आयाम:

Angular Acceleration (α) = (Change in Angular Velocity (Δω)) / (Change in Time (Δt))

The dimensions of angular velocity are radians per second (rad/s), and आयाम of time are seconds (s). Therefore, आयाम of angular acceleration can be expressed as:

[Angular Acceleration] = [Δω] / [Δt] = (rad/s) / (s) = rad/s²

The dimensions of angular acceleration are radians per second squared (rad/s²). This indicates that angular acceleration measures the rate of change of angular velocity per इकाई समय.

समझ कर अवधारणाएँ of angular acceleration, इसका सूत्र, and dimensions, we can analyze and solve problems related to rotational motion, kinematics, and rotational dynamics effectively.

हमेशा विचार करना याद रखें चिन्ह and directions of angular velocity and acceleration when applying सूत्र in विभिन्न परिदृश्य.

निष्कर्ष

In conclusion, the angular acceleration formula is एक महत्वपूर्ण अवधारणा in physics that helps us understand the rate at which an object’s angular velocity changes over time. By using this formula, we can calculate the angular acceleration of an object in rotational motion. The formula states that angular acceleration is equal to the change in angular velocity divided by the change in time. It is represented by प्रतीक alpha (α) and is measured in radians per second squared (rad/s^2). Understanding angular acceleration is essential for analyzing rotational motion and studying the dynamics of objects in गोलाकार या घूर्णी गति.

आम सवाल-जवाब

What is angular acceleration?

Angular acceleration refers to the rate at which an object’s angular velocity changes over time. It is a measure of how quickly किसी वस्तु का घूमनाal motion is accelerating.

What is the formula for angular acceleration?

The formula for angular acceleration is given by the change in angular velocity divided by the change in time. It can be represented as: angular acceleration = (change in angular velocity) / (change in time).

How does angular acceleration depend on mass?

Angular acceleration does not depend on mass. It is solely determined by the torque applied to an object and its moment of inertia.

Does angular acceleration change with radius?

हाँ, angular acceleration changes with radius. As the radius increases, the रेखीय वेग किसी वस्तु का a given angular acceleration भी बढ़ता है।

What is the formula for angular acceleration with inertia?

The formula for angular acceleration with inertia is given by the torque applied to an object divided by its moment of inertia. It can be represented as: angular acceleration = torque / moment जड़ता का.

Is angular acceleration the same everywhere?

नहीं, angular acceleration is not the same everywhere. It can vary depending on the torque applied to an object and its moment of inertia.

What is the relationship between angular velocity and angular acceleration?

कोणीय गति and angular acceleration are related. Angular acceleration is the rate of change of angular velocity over time.

What is the moment of inertia in rotational motion?

The moment of inertia is a measure of किसी वस्तु का प्रतिरोध to changes in its rotational motion. It depends on बड़े पैमाने पर वितरण और वस्तु का आकार.

What is torque in rotational dynamics?

Torque is the rotational equivalent of force. It is उत्पाद of दबाव किसी वस्तु पर लागू किया गया और लंबवत दूरी घूर्णन अक्ष से.

How is angular acceleration calculated in kinematics?

In kinematics, angular acceleration can be calculated using the formula: angular acceleration = (final angular velocity – initial angular velocity) / समय.

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