Questions
The bob of a simple pendulum executes simple harmonic motion in water with a period r,while the period of oscillation of the bob is to in air. Neglecting frictional force of water and given that the density of the bob is .What relationship between t and to is true?
detailed solution
Correct option is C
In water geff=g-Buoyant forceMass=g-ρωρb t=2πlgeff=2πlg/4 ⇒ t=2 t0Talk to our academic expert!
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One end of an ideal spring is connected with a smooth block with the other end with rear wall of driving cabin of a truck as shown in figure. Initially, the system is at rest. If truck starts to accelerate with a constant acceleration ‘a’ , then the block (relative to truck ):
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