A 55 kg student traveling in a car with a constant velocity has a kinetic energy of 1.1 104 J. What is the speedometer reading of the car in km/h?
? km/h
If a 0.50-kg block initially at rest on a frictionless, horizontal surface is acted upon by a force of 8.2 N for a distance of 2.7 m, then what would be the block's velocity?
? m/s