Answer to Question #340477 in Classical Mechanics for Yankee

Classical Mechanics

Question #340477

determine the kinetic energy of a 125kg roller coaster that is moving with a speed of 20.0 m/s

Expert's answer

The kinetic energy is given by

"E_k=\\frac{mv^2}{2}"

"E_k=\\rm\\frac{125\\: kg*(20.0\\: m\/s)^2}{2}=25\\:000\\: J"

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