Question

A particle slides down a frictionless parabolic
(y = x²) track (A – B – C) starting from rest at
point A figure. Point B is at the vertex of parabola
and point C is at a height less than that of point
A. After C, the particle moves freely in air as a
projectile. If the particle reaches highest point at
P, then
(a) KE at P = KE at B
(b) height at P = height at A
(c) total energy at P = total energy at A
(d) time of travel from A to B = time of travel
from B to P.

Answer 1

Answer:

A particle slides down a friction less parabolic (y = x2) track (A – B – C) starting from rest at point A (figure). Point B is at the vertex of parabola