Question

A body shows change in velocity of 15 m/s in 30 s.

Find the acceleration of the body.​

Answer 1

Answer:

Initial velocity  u=30i^

Final velocity   v=40j^

Change in velocity  Δv=40j^−30i^

Magnitude    ∣Δv∣=302+402=50

Average acceleration   a=Δt∣Δv∣=1050=5 m/s2