A billboard that stands 30 m above the ground has a gravitational potential energy of 175000 j. What is its mass

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06-04-2018
Chemistry

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A billboard that stands 30 m above the ground has a gravitational potential energy of 175000 j. What is its mass

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jushmk jushmk · Answer 1 · 2018-04-13T10:13:10+02:00

jushmk jushmk

13-04-2018

Potential energy (PEI due to gravity = mgh

Where, m= mass of the billboard, g=gravitational acceleration (9.81 m/s^2), h = height

Therefore,
m= PE/(gh) = 175000/(9.81*30) = 594.63 kg

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mellief50 mellief50 · Answer 2 · 2020-01-07T22:48:20+01:00

mellief50 mellief50

07-01-2020

Answer:

595

Explanation:

175000 ÷ (9.8 × 30) =595._____

when doing this problem, do not forget the parentheses.

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