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u=20 m/sm=150 g =0.15 kgv= -25 m/st=0.01 sF=?P=? |
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Answer» p = mv-mu0.15*(-25)-0.15*(20)=-6.75kgm/s F=maa=v-u/ta=-4500m/s^2F= -675N Thanks for answer You are right F=maa=v-u/ta=-4500m/s^2F= -675N p = mv-mu0.15*(-25)-0.15*(20)=-6.75kgm/s |
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