Question

8. A man is moving oh his bike with 54 kmh. He takes a u-turn in 10s and continues to move with the same
velocity. Find average acceleration during this time.
(a) 3.0 ms?
(b) 1.5 ms 2
(c)0
(d) - 1.5 ms?​

Answer 1

Answer:

avg accn= v2-v1/t= 15-(-15)/10= 3m/sq sec