Answer to Question #160731 in Physics for brayden

Question #160731

A stone is thrown vertically up with a speed of 14 m/s, and at that moment it had 37 kJ of kinetic energy. What was the mass of the stone?

Expert's answer

"KE=\\dfrac{1}{2}mv^2,""m=\\dfrac{2KE}{v^2}=\\dfrac{2\\cdot3.7\\cdot10^4\\ J}{(14\\ \\dfrac{m}{s})^2}=377.5\\ kg."

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