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how far will 350 j raise a 7 kg mass

And the real School Subject is.....?

Sra

7kg of mass weighs 70N. 350J = 350 Nm^-1.
=> distance moved = (350/70)m = 5m.

correction : 350J = 350Nm (Newton meter)

35

yay

A=F*h => h=F*A => h=A/mg <=> h=350/70= 5 m.

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