A food calorie is a kilocalorie in SI units. What would be the speed of a 1000 kg car traveling such that its kinetic energy is equal to the energy contained in one 250-calorie jelly doughnut?

A. 46 m/s
B. 65 m/s
C. 32 m/s
D. 22 m/s


A. 46 m/s

Physics & Space Science

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