Kinematics - 13-14

Question

1. Find the magnitude of average acceleration of the tip of the second hand of length 10cm during 10 seconds.

2. A point moves along a circle with speed v=at, where a=0.5 m/s². Find the total acceleration of the point at the moment when it covered (1/10)^th of the circle after beginning of motion.

Can anyone provide solution for all the questions in the image

Answer 1

Solution for question 1.

Answer 2

Solution for question 2.