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A particle is moving in straight line such that its velocity changes with time t as v=t^2-t. The time interval for which particle retard is

A particle is moving in straight line such that its velocity changes with time t as v=t^2-t. The time interval for which particle retard is

Grade:11

1 Answers

Vikas TU
14149 Points
7 years ago
 
Differentiate v w.r.t t time.
dv/dt = 2t – 1 = a
for retardation a should be negative.
that is to say that,
(2t – 1) should be less than zero 
or
t should be less than 0.5 s.
thus time interval is (0, 0.5)

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