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20 April, 17:10

A 50kg meteorite moving at 1000 m/s strikes Earth. Assume the velocity is along the line joining Earth's center of mass and the meteor's center of mass. What is the gain in Earth's Kinetic Energy?

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  1. 20 April, 17:29
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    To solve, we will use the equation for Kinetic Energy. KE =.5 * mass * velocity ^2 With the numbers given, mass is 50 kg and velocity is 1000 m/s. KE =.5 * 50 * 1000^2 = 25000000. Thus, the gain in kinetic energy is 25,000,000 m/s.
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