Question: There are 6 pendulums
A - mass: 4 kg; height: 30 cm
B - mass: 2 kg; height: 30 cm
C - mass: 8 kg; height: 15 cm
D - mass: 3 kg; height: 45 cm
E - mass: 2 kg; height: 60 cm
F - mass: 1 kg; height: 60 cm
1. Rank each pendulum on the basis of the maximum kinetic energy it attains after release.
2. Rank each pendulum on the basis of its maximum speed.