Q)
(chatquestion)...Fings whose force constants are 2k, 18
2k, k and 2k respectively are attached to a mass M
kept on a frictionless plane (as shown in figure). If the
mass M is displaced in the horizontal direction, then
the frequency of oscillation of the system is
kitke
2k
2k
2k
4k
(b)
2т
2n V 4M
7k
(c)
2n V7M
(d)
2л V М
19
A spring with 10 coils has spring constant k. (It is
exactly cut into two halves, then each of these new
springs will have a spring constant
(a) k/2
Equations y,
= A sin ot and y, =
represent S.H.M. The ratio of the amplitudes of the
two motions is
(a)
(c) 0.5
(d) 2
-1 If a simple pendulum is taken to place where g
decreases by 2%, then the time perioc
(b) Increases by 2%
(a) Decreases by 1%
fa) Increases by 1%
(c) Increases by 2%
...
