Q1. Suppose a chimpanzee swings through the jungle on vines. If it swings from a tree on a 13 m long vine that starts at an angle of 45 degrees, what is the chimp's velocity when it reaches the ground.
Q2. As part of a safety investigation, two 1600 {rm kg} cars travelling at 19 {rm m/s} are crashed into different barriers. Find out the average forces exerted on -
(a) Car that hits a line of water barrels and takes 1.8 {rm s} to stop, and
(b) Car that hits a concrete barrier and takes 0.2 {rm s} to stop.