Answer to Question #229841 in Physics for aena

Question #229841

A trolley of mass 7 kg is moving with the speed of 1.5 m/s. Calculate the kinetic energy of the trolley.

Expert's answer

"KE=\\dfrac{1}{2}mv^2,""KE=\\dfrac{1}{2}\\cdot7\\ kg\\cdot(1.5\\ \\dfrac{m}{s})^2=7.87\\ J."

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