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Q5) V=5*2*1=103)
the derived unit of a volt is defined with units W.A-1, and the derived unit of a watt (W) is defined in J.s-1
Now do it your self
5)
Uncertainty unique111
E=mgh
AHHH thank you so so much!!!
maybe bcz...resistance is greater in thin copper wire as it is inversley proportional to cross sec area....so speed of e should be greater in thicker wire and less in thin wire..asgreater the resistance lesser the speed
900*0.2=F*1.2
Bit how do u derive that equation using f=ma?
I think it's cause the total kinetic energy remains the same at Y. The sand is dropped with some velocity too
Use the concept of relative speed of approach = relative speed of separation
i dont know about how it is derived :/
stress=force/area.....as dimensions are same...area=same...and the graph shows that max force=same hnce same uts
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