A $$2kg$$ object attached to a spring moves without friction and is driven by an external force, given by . Force constant of the spring is $$20$$ $$N/m$$. Amplitude of motion and time period of oscilation respectively are

Correct option is 25.09 cm , 1 sec

Questions

A 2kg object attached to a spring moves without friction and is driven by an external force, given by $\large F\, = \,3\sin \left( {2\pi t} \right)N$ . Force constant of the spring is 20 N/m. Amplitude of motion and time period of oscilation respectively are

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7.09 cm , 1 sec

5.09 cm , 1 sec

7.09 cm , 2 sec

5.09 cm , 2 sec

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detailed solution

Correct option is B

, Here b = 0. Motion takes place with angular frequency of driving force

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A 2kg object attached to a spring moves without friction and is driven by an external force, given by . Force constant of the spring is 20 N/m. Amplitude of motion and time period of oscilation respectively are

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A 2kg object attached to a spring moves without friction and is driven by an external force, given by $\large F\, = \,3\sin \left( {2\pi t} \right)N$ . Force constant of the spring is 20 N/m. Amplitude of motion and time period of oscilation respectively are