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OpenStudy (anonymous):
The kinetic energy of an object moving at a speed of 16.8 m/s was determined to be 870 J. What is the mass of the object?
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OpenStudy (anonymous):
Ek=1/2mv^2 870J=1/2m(16.8)^2 divide both sides by (16.8)^2 3.08=1/2m divide both sides by 1/2 6.16=m Mass= 6.16kg
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