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08-05-2020
Chemistry

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Explain answer for brainliest

Help me now pls Explain answer for brainliest class=

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SvetkaChem SvetkaChem

08-05-2020

Answer:

56 kg

Explanation:

PE = m*g*h

h= 8.4 m

PE = 4620J

g = 9.8 N/kg

4620J = m*9.8 N/kg *8.4 m

m = 4620/(9.8*8.4) = 56 kg

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