A body is thrown vertically up with certain intial velocity, the potential and kinetic energies of the body are equal at a point P in its path. If the same body is thrown with double the velocity upwards, the ratio of potential and kinetic energies of the body when it crosses the same point, is

Question

A body is thrown vertically up with certain intial velocity, the potential and kinetic energies of the body are equal at a point P in its path. If the same body is thrown with double the velocity upwards, the ratio of potential and kinetic energies of the body when it crosses the same point, is, 1 : 1, 1 : 4, 1 : 7, 1 : 8

MARKS App · Accepted Answer

Potential energy + Kinetic energy = Translation energy Translation energy = 2 × Potential energy T . E 1 = 4 T . E ∵ V 1 = 2 V P E 1 K E 1 = P E 8 P E - P E = 1 7

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