Biology 1st Edition by Jung Choi, Jean DeSaix, Yael Avissar, Vladimir Jurukovski, Robert Wise,Connie Rye, OpenStax

تمرين 11

Consider a pendulum swinging. Which type(s) of energy is/are associated with the pendulum in the following instances: i. the moment at which it completes one cycle, just before it begins to fall back towards the other end, ii. the moment that it is in the middle between the two ends, iii. just before it reaches the end of one cycle (just before instant i.).
A) i. potential and kinetic, ii. potential and kinetic, iii. Kinetic
B) i. potential, ii. potential and kinetic, iii. potential and kinetic
C) i. potential, ii. kinetic, iii. potential and kinetic
D) i. potential and kinetic, ii. kinetic iii. kinetic