Q1. A horse races once around a circular track in a time of 118s, with a speed of 17 m/s. What is the radius of the track? How do you go about solving this?
Q2. Susan's 10.0 kg baby brother Paul sits on the mat. Susan pulls the mat across floor using a rope that is angled 30 ^circ above the floor. The tension is a constant 31.0 N and coefficient of friction is 0.180.