Question

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​

Answer 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