A car is traveling at a constant speed on the highway. Its tires have a diameter of 65.0 cm and are rolling without sliding or slipping. If the angular speed of the tires is 49.0 rad/s , what is the speed of the car, in SI units

Ben(55 kg) is standing on very slippery ice when junior(25kg) bumps into him. junior was moving at a speed of 8m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision .

Which object is most likely represented by a dot?

Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?