First slide

Average velocity

Question

Velocity of a particle moving with constant acceleration changes from 20 ms^-1to 30 ms^-1 in 5 seconds. Displacement of the body in the above interval is

Easy

A

125 m
B

250 m
C

62.5 m
D

100 m

Solution

$S = (\frac{v + u}{2}) t$

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