Seudónimo Seudónimo

08-11-2019
Physics

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What is the difference in PE between a 82.5kg adult on a 1.25 m wall, and a 14.7 kg child on the same wall?(unit=J)PLEASE HELP

Respuesta :

sodiqolamilekan69 sodiqolamilekan69

08-11-2019

Answer:

Explanation:

PE=mgh

let PEₐ for adult

and PEᵢ for child

g=10ms⁻²

Difference in PE=PEₐ-PEᵢ

(82.5*10*1.25)-(14.7*10*1.25)

1031.25-183.75

PE=847.5 joules

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