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1.State second lay of thermodynamics
Ans. Second law of thermodynamics states that when one form of energy changes into another form of energy it does not gets 100% Transformed. Some of the energy is lost in this process
2.Area of Velocity time graph give Displacement in that time
3.Linear momentum equals =mv
and rate of change of linear momentum equals Force
=M(v-u)/t
=M(a)
=F
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