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Martic
Questions (1)
If 1/3 ,m,1,n form a GP the product of m and n
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Answers (1)
K:E = P:E K:E=1/2MVsquare and P:E=MGH where force=MG 1/2MVsquare=FH make Vsquare subject of formular Vsquare=2FH/M solve Vsquare=2*70*7/5, Vsquare=980/5 , Vsquare=196 , root both sides , V= 14m/s
