JEE Main2004PhysicsWork, Power and EnergyActual
A particle moves in a straight line with retardation proportional to its displacement. Its loss of kinetic energy for any displacement x is proportional to
Options
- Ax^3
- Be^x
- Cx
- D_e x
Correct answer
A. x^3
Step-by-step solution
K _ f - K _ i = mk 2 x ^2 ~K _ f - K _ i x ^2