Which of the following has kinetic energy?A.A swimmer standing on a diving boardB.A basketball player sitting on the benchC.A horse in the starting gate before a raceD.A gymnast doing a cartwheelSUBMITarrow_backPREVIOUS
Question
Which of the following has kinetic energy?A.A swimmer standing on a diving boardB.A basketball player sitting on the benchC.A horse in the starting gate before a raceD.A gymnast doing a cartwheelSUBMITarrow_backPREVIOUS
Solution
The answer is D. A gymnast doing a cartwheel.
Kinetic energy is the energy of motion. It is determined by the mass of the object and its speed. In this case, the gymnast is the only one in motion, doing a cartwheel, and therefore, the only one with kinetic energy. The swimmer, basketball player, and horse are all stationary, so they do not have kinetic energy at that moment.
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