Assignment:
Question 1. A car of mass 1000kg moves with a speed of 50 m/s on a circular track of radius 100m. What is the magnitude of its angular momentum (in kg.m^2/s) relative to the center of the racetrack?
a) 5 x 10^2
b) 5 x 10^6
c) 2.5 x 10^6
d) 2.5 x 10^4
Question 2. A 50 kg ice skater is moving at 5 m/s when she grabs the loose end of a rope, then opposite end of which is tied to a pole. She then moves in a circle of radius 1m around the pole. Determine the force exerted by the rope on her arms.
a) 1250 N
b) 250 N
c) 50 N
d) 1100 N