m=50 v1=5 v2=1 t=5 F=?
a=(v2-v1)/t=(1-5)/5=-0.8
F=m*(g-a)=50*(9.8-0.8)=450 H
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m=50 v1=5 v2=1 t=5 F=?
a=(v2-v1)/t=(1-5)/5=-0.8
F=m*(g-a)=50*(9.8-0.8)=450 H
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