Questions
A simple pendulum has a time period T1 when on the earth's surface and T2 when taken to a height R above the earth's surface, where R is the radius of the earth. The value of T2/T1 is
detailed solution
Correct option is D
If acceleration due to gravity is g at the surface of earth then at height R it value becomesg'=gRR+h2=g4T1=2πlg and T2=2πlg/4∴T2T1=2Talk 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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