Question

a body is moving vertically upwards . it s velocity changes at constant rate from 50m/s to 20m/s in 3 second . what is its accelaration

Answer 1

-10m/s^2.......a=v-u/t

Answer 2

let the V=50m/s
then u=20m/s
A=?
A=v-u/t
a=50-20/3
ans is 10 m/s