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06-12-2022
Mathematics

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How much potential energy does a 40 kg rock have if it was on a 10m cliff?

How much potential energy does the same 40 kg rock have if it was on a 5 m cliff?

If you shorten the height of an object, how does this affect its potential energy?

A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby has a mass of 1.5 kg.

A cinder block is sitting on a platform 20 m high. It weighs 7.9 kg. What is the PE?

There is a bell at the top of a tower. The bell weighs 19 kg. If the PE is 8550 J, how high is the tower?

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