Question

A particle starts from rest with acceleration 2 m/second square. The acceleration of the particle decreases down to zero uniformly during time-interval of 4 s. The velocity of particle after 2s is: 3 m/s 4 m/s zero 8 m/s

Answer 1

Answer:

a=v-u/t

2=v-0/2

v=2×2

v=4m/s