Question

Chap 5
4)

Answer 1

http://prntscr.com/4ed630

Answer 2

@ganeshie8

Answer 3

I think at the top, the acceleration needs to be 10 m/s^2

Answer 4

This's the given answer

Answer 5

\(\large a_c = g \) at the top,
review your notes, there should be a formula for centripetal acceleration \(a_c\) in terms of velocity and radius ?