A body moves in a circular path at a constant speed of m/s.
The magnitude of average velocity of this body for half a
revolution is
a) 1 ms-1 b) 2 ms-1 c) 3 ms-1 d) 4 ms-1
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A body moving at constant speed in a circular path experiences an acceleration directed towards the centre of the circular path.
This acceleration is called a centripetal acceleration and is provided by a centripetal force.
The force might be due to gravity, electro-static attraction, the tension is a string etc.
So the answer is 1ms-1.
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