An object with a mass of 70 kilograms is supported at a height 8 meters above the ground. what's the potential energy of the object with respect to the ground. a. 2,058 jb. 5,488 jc. 560 jd. 3,430 j

Potential energy = (mass) · (gravity) · (height above the reference level)

Potential energy = (70 kg) · (9.8 m/s²) · (8 m)

Potential energy = 5,488 kg-m²/s²

Potential energy = 5,488 joules

u=13

v=30

s/t=u+1\2at

=13+431/2

=13+265.5

=278.5

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