The period is directly proportional to the square root of the mass.
A mass is oscillating with amplitude A at the end of a vertical spring of spring constant k.
(a) The mass is increased by a factor of four. What is true about the period? Choose the best answer.
A. The period is halved.
B. The period doubles.
C. The period increases by a factor of four
D. The period decreases by a factor of four
(b) The mass is increased by a factor of four keeping A and k constant. What is true about the total mechanical energy?