An object travels north with a velocity of $5 \mathrm{~ms}^{-1}$ and then speeds up to a velocity of

Question

An object travels north with a velocity of $5 \mathrm{~ms}^{-1}$ and then speeds up to a velocity of $12 \mathrm{~ms}^{-1}$ towards east in 5 s . The magnitude of the average acceleration of the object in the 5 s is\

Professor PC Thomas Classes · Answer

Use triangle law to get change in velocity vector