For nos, 11-13
c
B
11. In what point/s in the pendulum has/have decreasing potential energy?
A point A
B. from point A to B
C. at point B D. from B to C
12. Which point/s has/have a zero kinetic energy?
A. at AB. at C
C. at A and B D.at A and C
13. What happens to PE and KE from point B to C?
A both KE and PE are increasing
B. both KE and PE are decreasing
C. KE increasing, PE decreasing
D. KE decreasing, PE increasing
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Answer:
11.d
12.a
13.c
Explanation:
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