Test Unit 7 Energy

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Total cards: 4•Content version: v4•Public deck•Updated: 8/1/2026

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Front (Question)

What is the potential energy of a puppy who eights 18N sitting in a high chair 2m high?

Back (Answer)

Find = GPE=? Given = F=ma F=18N h = 2m Formula = GPE=ham GPE=Fh Substitute = GPE=18x2 Solve = GPE=36N

Front (Question)

If a 15 kg rock falls from a height of 10m and lands on a guy about 2.5 s later, how much power did it hit him with

Back (Answer)

Find = P=? W=? Given = m=15g d=10m t=2.5s a=9.8m/s2 Formula = p=w/t w=Fd F=ma Sub = F=15x9.8 w=147/10 p=14.7/2.5 Solve = p=5.88 W

Front (Question)

As the time required to do a given amount of work decreases the power developed

Back (Answer)

Increases

Front (Question)

What are two examples the same type of thermal energy transfer

Back (Answer)

Iron and ironing board Stove and frying pan