Questions
The given graph shows variation of potential energy with respect to position of the particle. The total mechanical energy of particle is also represented in the graph, region in which existence of particle is not possible
detailed solution
Correct option is C
Mechanical energy = K + U. Since K ≥ 0, M.E ≥ U. Potential energy 'U' can be positive, negative or zero, but it can never exceed M.E. so option (3) is right.Talk to our academic expert!
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A rectangular plank of mass 'm1' and height 'a' is on a horizontal surface. On the top of it another rectangular plank of mass 'm2' and height 'b' is placed. The potential energy of the system is,
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