Physics-
General
Easy
Question
A particle moves along a semicircle of radius 
in 5 seconds. The average velocity
of the particle is
The correct answer is:
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)
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A particle moves along the sides 
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The acceleration 
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A ball is dropped from a bridge at a height of 176.4 m over a river. After 2 s, a second ball is thrown straight downwards. What should be the initial velocity of the second ball so that both hit the water simultaneously?
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For a moving body at any instant of time
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