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 (1) $x ^ { 3 }$ (2) $e ^ { x }$ (3) $x$ (4) $\log _ { e } x$
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\\
(1) $x ^ { 3 }$\\
(2) $e ^ { x }$\\
(3) $x$\\
(4) $\log _ { e } x$