Question

A particle is moving in x-y-plane at 2 m/s along
x-axis. 2 seconds later, its velocity is 4 m/s in
a direction making 60° with positive x-axis. Its
average acceleration for this period of motion is
a)√5 m/s^2 along y-axis
b)√3 m/s^2 along y-axis
c)√5 m/s^2 along at 60° with positive x-axis
d)3 m/s^2 at 60°with positive x-axis​

Answer 1

Answer:

C

Explanation: