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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