A particle is released from a height h, At a certain height; its KE is two times its potential energy. Height and speed of the particle at that instant are |
|||||||
a) |
b) |
c) |
d) |
A particle is released from a height h, At a certain height; its KE is two times its potential energy. Height and speed of the particle at that instant are |
|||||||
a) |
b) |
c) |
d) |
(b)
Total mechanical energy= mgh
As,
and
Height from the ground at this instant,