An object moving with a speed of 6.25m/s is decelerated at a rate given by dv/dt = -2.5√v. Find time taken by the object to come to rest
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Explanation:
(dv / dt) = – 2.5 ÷v fi (dv / v) = – 2.5 dt
fi Ú Ú = - dt
v
dv 2. 5 fi [ v ]
0
26.25
= 2.5 t
fi t = (2 × 2.5) / 2.5) = 2 sec
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