Questions
A particle executing SHM of amplitude 4 cm and T = 4 s. The time taken by it to move from positive extreme position to half the amplitude is
detailed solution
Correct option is C
Equation of motion, y = A cos ωt⇒ A2=A cos ωt ⇒ ωt=π3⇒ 2πtT=π3⇒t=π3×T2π=43×2=23 sTalk 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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