Homework Answers
In both the paths energy at the starting point (a) is same. And reached same point (b) i.e., energy is same.
In path-1, initially reached bottom most position then reached point (b) against gravity
So, net workdone = m x g x (a-b)
In path-2, intially moving in horizontal direction, gravity is same so no workdone, after it is moving vertically downwards gue to gravity.
Workdone = m x g x (a-b)
So, answer is W1 = W2
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figure. The curved portion of the track is frictionless, as well as
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kinetic friction between the block and the only rough part, D = 10
cm, is given by k = 0.20. Let the initial height of the block be...
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level to a higher level after passing through an intermediate
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