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Answer the following question. Define angular velocity. - Physics

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प्रश्न

Answer the following question.

Define angular velocity.

व्याख्या
एका वाक्यात उत्तर

उत्तर

Angular velocity of a particle is the rate of change of angular displacement.

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पाठ 3: Motion in a Plane - Exercises [पृष्ठ ४५]

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बालभारती Physics [English] 11 Standard Maharashtra State Board
पाठ 3 Motion in a Plane
Exercises | Q 2. (x) | पृष्ठ ४५

संबंधित प्रश्‍न

In U. C. M (Uniform Circular Motion), prove the relation `vec v = vec w xx vec r`, where symbols have their usual meanings.

 
 

Draw a neat labelled diagram of conical pendulum. State the expression for its periodic time in terms of length.


An aircraft executes a horizontal loop of radius 1.00 km with a steady speed of 900 km/h. Compare its centripetal acceleration with the acceleration due to gravity.


A particle starts from the origin at t = 0 s with a velocity of 10.0 `hatj "m/s"` and moves in the x-y plane with a constant acceleration of `(8.0 hati + 2.0 hatj) ms^(-2)`.

  1. At what time is the x-coordinate of the particle 16 m? What is the y-coordinate of the particle at that time?
  2. What is the speed of the particle at the time?

Give an example of motion in which speed remains uniform, but the velocity changes.


A uniform linear motion is unaccelerated, while a uniform circular motion is an accelerated motion.


Which of the following quantity remains constant in uniform circular motion:


The angle subtended by the vector A = `5hat"i" + 3hat"j" + 12hat"k"` with the X-axis is ______.


If a particle moves with uniform speed then its tangential acceleration will be ______.


A particle goes round a circular path with uniform speed v. After describing half the circle, what is the change in its centripetal acceleration?


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Consider a simple pendulum of length 4 m. Its bob performs a circular motion in horizontal plane with its string making an angle 60° with the vertical. The Period of rotation of the bob is ____________.(Take g = 10 m/s2)


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The given graph represents motion with ______ speed.


Statement A: Uniform circular motion is a case of accelerated motion
Statement B: In the third equation of motion we do not have the term time


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Earth can be thought of as a sphere of radius 6400 km. Any object (or a person) is performing circular motion around the axis of earth due to earth’s rotation (period 1 day). What is acceleration of object on the surface of the earth (at equator) towards its centre? what is it at latitude θ? How does these accelerations compare with g = 9.8 m/s2?


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A disc of radius 5 cm rolls on a horizontal surface with linear velocity v = 1`hat"i"` m/s and angular velocity 50 rad/s. Height of particle from ground on rim of disc which has velocity in vertical direction is ______ cm.


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Explain the meaning of uniform circular motion.


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