Covid paddles his bicycle to attain a velocity 6m/sec
and applies brakes to reduce its velocity to 4 m/sec in
5 seconds the acceleration is
a) 0.4m) sec b)-0.4m/sec
c) 2 m/sec d) 10m/sec
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1
Answer:
option b
Explanation:
v-u/t = acceleration
v= 4m
u = 6m
t = 5 sec
v-u/t = 4-6/5 = -2/5= -0.4 m/s
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