When a current flows through an inductor, its mass
A) decreases.
B) increases.
C) stays the same.
D) oscillates.
Question 2
A mass of 500 g is resting on a vertical spring with a force constant of 55.0 N/m. A mass of 250 g is dropped from a height of 12.0 cm onto the larger mass and sticks to it. What is the amplitude of the resulting oscillations?
A) 4.71 cm
B) 6.34 cm
C) 9.90 cm
D) 11.4 cm
E) 5.97 cm