A simple pendulum, suspended from the ceiling of a stationary van, has time period $T$. If the van starts moving with a uniform velocity the period of the pendulum will be
ALess than $T$
BEqual to $2T$
CGreater than $T$
D
Unchanged
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D
Unchanged
d (d) Effective value of $‘g’$ remains unchanged.
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One end of a spring of force constant k is fixed to a vertical wall and the other to a block of mass m resting on a smooth horizontal surface. There is another wall at a distance ${x_0}$ from the black. The spring is then compressed by $2{x_0}$ and released. The time taken to strike the wall is
The displacement of a particle varies according to the relation $x$ = $3 sin100t + 8cos^2 50t$. Which of the following is $INCORRECT$ about this motion