Kinetic energy varies jointly as the mass and the square
Chapter 7, Problem 7.1.770(choose chapter or problem)
Kinetic energy varies jointly as the mass and the square of the velocity. A mass of 8 grams and velocity of 3 centimeters per second has a kinetic energy of 36 ergs. Find the kinetic energy for a mass of 4 grams and velocity of 6 centimeters per second.
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