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Q. A 2.0 kg block is thrown upward from a point 20m above Earth's surface. At what height above Earth's surface will the gravitational potential energy of the Earth block system have increased by 500J?

Q. A 2.0 kg block is thrown upward from a point 20m above Earth's surface. At what height above Earth's surface will the gravitational potential energy of the Earth block system have increased by 500J?

Grade:12

1 Answers

OCEAN GODRE
40 Points
10 years ago

initial pe will be=mgh=2*10*20=400 j

final pe =mgh''' whr h''' is to be calculated

given is increase in pe i.e final pe - initialpe=500 j

so therefore 500=mgh''''-400

h'''-45m

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