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A particle moves along a straight line path. After some time it come to rest. The motion is with constant acceleration whose direction with respect to the direction of velocity is

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a
positive throughout motion
b
negative throughout motion
c
first positive then negative
d
first negative then positive.

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detailed solution

Correct option is B

Here velocity is decreasing, so acceleration will be opposite to the direction of motion and hence, it will be negative w.r.t the direction of velocity till it comes to rest.


Similar Questions

Assertion (A) : A body is momentarily at rest at that instant it reverses the direction 
Reason (R) : A body can’t have acceleration if its velocity is zero at a given instant of time


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