Answered



A 25-kg mass is suspended 4 meters above the ground. Find its potential energy. Show your work, and use the
rules of significant figures when giving your answer

Answer :

pfellas
Potential energy due to gravitation = mass x gravity x height
= 25 x 9.8 x 4
= 980 Joules
Since the height is given to just 1 significant figure, the result should be given to 1 significant figure also.
Answer = 1000 Joules.

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