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What is the mass of a toy car if it has 5 J of potential energy and is sitting on top of a track that has a height of 2m?

(PE= m x g x h) (hint g=9.8 m/s2)

User Eric Sauer
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1 Answer

11 votes

Step-by-step explanation:

PE=mgh

5=m(9.8)(2)

m=5/19.6

m=0.2251 kg

m=225.1 grams

User Sankarann
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