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Question-11540




Question Number 11540 by tawa last updated on 28/Mar/17
Answered by sandy_suhendra last updated on 28/Mar/17
(1)  S=3 cm=0.03 m  m=7 g=7.10^(−3)  kg  V_o =450 m/s  V_t =175 m/s    W=ΔKE  ΣF.S = (1/2)m(V_t ^2  − V_o ^2 )  −F×0.03=(1/2)×7.10^(−3) ×(175^2 −450^2 )  −0.03F=−601.5625  F = 20,052.083 N
(1)S=3cm=0.03mm=7g=7.103kgVo=450m/sVt=175m/sW=ΔKEΣF.S=12m(Vt2Vo2)F×0.03=12×7.103×(17524502)0.03F=601.5625F=20,052.083N
Commented by tawa last updated on 28/Mar/17
God bless you sir.
Godblessyousir.

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