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what is the PE of box with a mass of 2.5kg placed 2.5 meters from the ground? Note that ag=m/s2.​

Sagot :

Arwenarewhengo

Answer:

61.25J

Explanation:

Formula: PE = mgh

m = mass (kg)

g = gravity (m/s^2)

h = height/distance (m)

Solution:

PE = mgh

PE = 2.5 kg x 9.8 m.s^2 x 2.5 m

PE = 61.25J

J = Joules - unit for energy

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