solve a b and c this is my question
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1) class 1 lever...
2) velocity 25: 9...
FelixDan:
Since the velocities were in square so your answer should become 5: 3
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A(I) class 1 lever
(II) oar of boat
B(I) I didn't remember well but I think it was either 3: 5 or 5: 3
C (l) heat
(II) 1 calorie= 4.18 Joule
Hope it helps:)
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