A table outfitted with springs on its feet bounces vertically in simple harmonic

Question

A table outfitted with springs on its feet bounces vertically in simple harmonic motion. A cup of coffee is sitting on the table.

A) Which of the following changes to this system could cause the cup to lose contact with the table? Check ALL that apply.

1- Increase the amplitude

2- Increase the period

3- Decrease the period

4- Decrease the mass of the table

5- Increase the mass of the table

6- Change the phase of the motion

B) What would be your answers if you considered not the cup bottom losing contact with the table but rather the coffee flying out of the cup if the cup is glued to the table? Check ALL that apply.

1- Change the phase of the motion

2- Increase the period

3- Decrease the mass of the table

4- Increase the amplitude

5- Decrease the period

6- Increase the mass of the table

Explanation / Answer

(A) Increase the amplitude

(B) Change the phase of the motion

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