Questions
For a particle executing SHM the displacement x is given by x = Acost. Identify the graph which represents the variation of potential energy (PE) as a function of time t and displacement x -
detailed solution
Correct option is A
PE=12mω2A2cos2ωt at t=0 ,PE is maximum and at t=T4,ωt=π2. Hence graph Irepresents PE. PE=12mω2x2 at x=0,PE=0 at x=±A,PE=max. Graph III.Talk 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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