Q1. A propeller spins at 1890 rev/min.
a) what is its angular velocity in rad/s?
b) What is the angular displacement of propeller in 2.60 s?
Q2. Two carts with masses of 10.60 kg and 2.50 kg, respectively, move in opposite directions on a frictionless horizontal track with speeds of 6.70 m/s and 3.50 m/s, in that order. The carts stick together after colliding head-on. Find the final speed of the two carts.