Question

A pendulum that consists of a 2kg mass swings a maximum vertical displacement of 10 cm above its rest position. At its lowest point, the KE of the mass is equal to

F. 0.196 J
G. 1.96 J
H. 19.6 J
J. 196 J
K. 1960 J

Answer 1

A 20 kg mass freely falls a distance of 6m near the Earth’s surface. The total kinetic energy gained by the mass as it falls is approximately

A. 120 J
B. 1180 J
C. 1440 J
D. 2400 J

Answer 2

kol