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OpenStudy (anonymous):
A 0.50 kilogram ball is held at a height of 20 meters. What is the kinetic energy of the ball when it reaches halfway after being released?
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OpenStudy (anonymous):
Kinetic energy =gravitational potential energy since g.p.e is equal to mgh where m is mass h Is height and g for gravitational attraction so putting values in formula where g=10 so 0.5 into 10 into 10 makes 50 joules of kinetic energy height at Half distance is 10
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