Q)
(chatquestion)...(3y 21 J
(4) 42 J
23.
Two masses m and 2 m are attached to two ends of an
ideal spring as shown in figure. When the spring is in
the compressed state, the energy of the spring is 60 J,
If the spring is released, then at its natural length
2m
(1) energy of smaller body will be 20 J
pulled
(2) energy of smaller body will be 40 J
shown
(3) energy of smaller body will be 10 J
(4) energy of smaller body will be same
24.
Two inclined frictionless tracks, one gradual and the other
steep meet at A from where two stones are allowed to
slide doen from rest, one on each track as shown in
figure. Which of the following statement is correct ?
(1) Both the stones reach the bottom with the same
ction of
speed not with the same speed
and j
(2) Both the stones reach the bottom with the same
will be
speed and stone I reaches the bottom earlier than
stone II
(3) Both the stones reach the bottom with the same
speed and stone Il reaches the bottom earlier than
stone I
(4) Both the stones reach the bottom at different times
and with different speeds
Pane # 5...(23 and 24. With explanation)
...
