A wheel of radius 0.4 m rotates with a constant angular velocity of 50 rad/s. What are the magnitudes of the tangential velocity

Therefore the magnitude of tangential velocity is 20 m/s.

Explanation:

Tangential velocity:The tangential velocity is the straight line velocity of at any point of rotating object.

It is denoted by

ω= angular velocity

r = radius of rotating object.

Angular velocity: Angular velocity is ratio of angle to time.

Here ω= 50 rad/s and r = 0.4 m

Tangential velocity=(50 ×0.4)m/s

                                =20 m/s

Therefore the magnitude of tangential velocity is 20 m/s.

car a and b are moving in opposite directions

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