A rising pendulum bob gains _____ energy.
2 answers:
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Answer:
Explanation:
s = displacement (m)
u = initial velocity
v = final velocity
a = acceleration
t = time (s)
s = 235
a = -4.7
v = 0
v² = u² + 2as
(0)² = u² + 2(-4.7)(235)
u² - 2209 = 0
u² = 2209
u = 47