Question

An object starts moving from rest and it acquires a velocity 20 ms-1 and acceleration 5 ms-2 After how much time will it acquire the velocity 50 ms-1​

Answer 1

Explanation:

u=0

v=20m/s

a=5m/s^2

t=(v-u)÷a=4sec

if, v = 50

t= 10 sec ans.