1) Which has more potential energy? An 8 kg bowling ball at 12.3m or a 0.3kg tennis ball at 289.0m. Show your work.2) A cart is loaded with a brik and pulled at constant speed along an inclined plane to the height of a seat-top. If the mass of the loaded cart is 3.0 kg and the height of the seat top is 0.45 meters, then what is the potential energy of the loaded cart at the height of the seat-top?

Question
Asked Oct 26, 2019
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1) Which has more potential energy? An 8 kg bowling ball at 12.3m or a 0.3kg tennis ball at 289.0m. Show your work.

2) A cart is loaded with a brik and pulled at constant speed along an inclined plane to the height of a seat-top. If the mass of the loaded cart is 3.0 kg and the height of the seat top is 0.45 meters, then what is the potential energy of the loaded cart at the height of the seat-top? 

 

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Expert Answer

Step 1

The potential energy of first object,

PE mgh
(8)(98) (123)
=96432
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PE mgh (8)(98) (123) =96432

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Step 2

The potential energy of...

PE mgh
(03)(98)(289)
=849.66
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PE mgh (03)(98)(289) =849.66

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