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Physics 9 Online
OpenStudy (anonymous):

Calculate the kinetic energy of a 100.0-kg meteor approaching the Earth at a speed of 10.0 km/s. Remember that 1 km = 1000 m

OpenStudy (anonymous):

The formula you can use is \[E_k = \tfrac{1}{2}mv^2\] Be careful about units. To get the answer in joules, convert the speed to m/s.

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