Questions
The bob of a simple pendulum executes simple harmonic motion in water with a period t, 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 (4 / 3) x 1000 kg / m3. What relationship
between t and to is true ?
detailed solution
Correct option is C
. Let g 'be the value of acceleration due to gravity in water. Thengâ²=g1âÏÏ=g1â34 So, in water, the time period t is given by t=2Ï4lg in hir t0=2Ïlg from (1), t=22Ïlg=2t0Talk 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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