Question

a stone of mass 0.10 kg is projected vertically upward by expanding 80 joule of energy how high does sun rises take g is equal to 10 metre per second square's

Answer 1

Acc. To Me,

Your answer is 80 meters

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ΔU =mgh

Uf-Ui=mgh

Ui=0 at ground

Uf=mgh

80=0.1*10*h

80=h

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I hope you understand my answer

Answer 2

Answer:

Work = force ×displacement

80J = 0.1×10×S

80J = 1×S

J= S =80m