JEE Main Physics question
A particle moves in a straight line with retardation proportional to its displacement. Its loss of KE for any displacement x is proportional to
Answer: (B)
Solution
(Same as Q53.) a = −kx ⟹ v dv = −kx dx, giving ΔK ∝ x².
A particle moves in a straight line with retardation proportional to its displacement. Its loss of KE for any displacement x is proportional to
(Same as Q53.) a = −kx ⟹ v dv = −kx dx, giving ΔK ∝ x².