First slide

Average Velocity

Question

A particle starts moving from x-axis and continues to move along x-axis. Its velocity at time t is V = t³ m/s. Then its average velocity in the internal t = 0 to t = 2 sec is

Moderate

A
2 m/s
B
4 m/s
C
6 m/s
D

3 m/s

Solution

$v_{a v g} = \frac{\int_{0}^{2} t^{3} d t}{\int_{0}^{2} d t} = 2 m / s$

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