Question

A spring with a spring constant of 1200 N/mN/m has a 55-gg ball at its end....

A spring with a spring constant of 1200 N/mN/m has a 55-gg ball at its end. The energy of the system is 7.0 J.

1a. What is the amplitude A of vibration?

1b.What is the maximum speed of the ball?

1c.What is the speed when the ball is at a position x=+A/2x=+A/2.

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Answer #1

I la) Us įKA? 2 7= 1200 x A A= 0.108m ANSWER 2 (bi 7 J 2 Answer Imvm įx 55x 10-7 km = 7 → Vm = 15.95 m/s Va V (A-x) V3k (6)

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