Question

A car enters a tunnel with velocity 4 m/s ,moves with constant acceleration and comes out of the tunnel with velocity 8 m/s. Velocity of carat the midpointof tunnel is ?
a)5m/s b)6m/s c)3root5m/s d)7m/s​


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Answer 1

Answer:

b)6m/s

Step-by-step explanation:

v=4+8/2

=12/2

=6m/s