Q.
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.
answer is B.
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Detailed Solution
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.
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