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Physics
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Work, Energy and Power
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JEE Advanced Questions
Work Energy And Power
Physics
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JEE Advanced
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Consider an elliptically shaped rail PQ in the vertical plane with OP
=
3m and OQ
=
4m. A block of mass 1 kg is pulled along the rail from P to Q with a force of 18 N, which is always parallel to line PQ (see the figure given). Assuming no frictional losses, the kinetic energy of the block when it reaches Q is (n
×
10) Joules. The value of n is (take acceleration due to gravity
=
10 ms
−
2
)
Hard
JEE Advanced
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>