Questions
A body is moving unidirectionally under the influence of a source of constant power supplying energy. Which of the diagrams shown in figure, correctly shows the displacement-time curve for its motion?
detailed solution
Correct option is B
If P=constant =k (assume0P=mdvdtv=k vdv=kmdt on intregating v22=kmt or, v=2ktm dsdt=2kmt12 again on intregating s∞t32 so as t increases s also increases as slope of s-t curve is also positive and increasing with time so 2 is the correct optionTalk to our academic expert!
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If force F is applied on a body and it moves with the velocity V, the power will be :
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