A 12-Kg Mass Is Attached to the End of a 4

Multiple Choice

A 1.2-kg mass is attached to the end of a 4.5-m string; the other end of the string is attached to the ceiling (forming a pendulum) . The mass is lifted 15 cm (above its lowest point) and then released. The mass freely swings back and forth. The maximum velocity of the mass is

A) 1.7 m/s.
B) 1.2 m/s.
C) 2.2 m/s.
D) 2.6 m/s.