Questions
An object of mass 4 kg is moving along X-axis and its potential energy as a function of x can be expressed as U(x) = 4 (1- cos 2x) joule then time period for small oscillations is:
detailed solution
Correct option is C
F=-dUdx=-4×2 sin 2x For small oscillations, sin 2x≈2x F=-16x⇒a=Fm=-4x ω2=4⇒T=π secTalk 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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