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  1. A cinder block is sitting on a platform 20 m high. It weighs 79 N. The block has _____________ energy. Calculate it.













  2. There is a bell at the top of a tower that is 45 m high. The bell weighs 190 N. The bell has ____________ energy. Calculate it.









  3. A roller coaster is at the top of a 72 m hill and weighs 966 N. The coaster (at this moment) has ____________ energy. Calculate it.







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Verified Answer :

Mcawesom
  1. the cinder has a potential energy
    using the formula mgh
    79x10x20= 15800 Joules
    5. the bell has a potential energy
    using the formula mgh
    45x90x10= 40500 Joules
    6. potential energy
    using mgh
    72x966x10= 695520 Joules
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Answer:

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4.15800 joules

5.40500 joules

6.695520 joules

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