Question 19
A pendulum has mass m = 0.1 kg. It is displaced through angle θ. Its initial energy is gravitational potential energy, mass × gravitational acceleration × height. The release height above equilibrium is h = 0.2 m. At equilibrium all this energy becomes kinetic energy.
a. Calculate the kinetic energy at the lowest point; use g = 10 m/s². (1.5 points)
b. What types of energy does it have at h = 0.1 m? (1 point)
c. Its oscillation involves conversion between ____ energy and ____ energy. (2 points)
a. Calculate the kinetic energy at the lowest point; use g = 10 m/s². (1.5 points)
b. What types of energy does it have at h = 0.1 m? (1 point)
c. Its oscillation involves conversion between ____ energy and ____ energy. (2 points)