Express what is the frequency of vibration

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Reference no: EM1345972

Q. A 13 g bullet traveling 215 m/s penetrates a 2.0 kg block of wood and emerges cleanly at 157 m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges?

Q. At the grocery store, the spring on a scale has a spring constant of 540 N/m. When a bag of apples is hung on the scale it stretches by 4.0 cm.

If the scale with the apples in it is pulled down 3.3 cm more and released so that it vibrates up and down.
(a) what is the amplitude of vibration?
(b) what is the frequency of vibration?

Reference no: EM1345972

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