Q.
The correct statement from the following is
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a
A body having zero velocity will not necessarily have zero acceleration.
b
A body having zero velocity will necessarily have zero acceleration.
c
A body having uniform speed can have only uniform acceleration.
d
A body having nonuniform velocity will have zero acceleration.
answer is A.
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Detailed Solution
When a body is at rest, its velocity is zero, but rate of change of velocity may not be zero, for example, when a body starts moving from rest, its velocity is zero but its acceleration is not zero. again when a body is released from rest in the gravitaional field of earth, its initial velocity is zero, but its acceleration is 'g'
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