First slide
Instantaneous Speed
Question

In one dimensional motion, instantaneous speed v satisfies (0  v v0)

Moderate
Solution

For maximum and minimum displacement we have to keep in mind the magnitude and direction of maximum velocity. As maximum velocity in positive direction is vo maximum velocity in opposite direction is also vo. Maximum displacement in one direction = voT  Maximum displacement in opposite direction = -voT. Hence, -voT  < x < voT

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