Return Submit The Olympic athlete lift a 624 kg dumbbell from ground to 2.2 m high in 5 seconds. Compute the power (in watts) that he exerted over this period of time. Type your answer... 10 1 point What are the units of the following? Work: choose your answer.. V , Power: choose your answer... V , Kinetic Energy: choose your answer... choose your answer.. Watt, W 11 1 point Joules, J An athlete with a mass of 60.8 kg is in a cross country race, and at one instant he has a speed of 3.23 m/s. What is his kinetic energy (in Joules) at this instant? N m Type your answer... 12 1 point An athlete has a mass of m and runs with a velocity v. If he doubles his velocity, how many time will his kinetic energy be compared to his original kinetic energy? O one half as much 4 times 2 times one quarter as much O the same