Questions
A particle is projected at t=0 from a point on the ground with certain velocity at an angle with the horizontal. The power of gravitation force is plotted against time. Which of the following is the best representation?
detailed solution
Correct option is C
P=F→.v→=(−mgj^).[uxi^+(uy−gt)j^]=(−mguy)+mg2ti.e. P versus t graph is a straight line with negative intercept and positive slope.Talk to our academic expert!
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