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SECTIU
Attempt any four questions from
Question 5
(a)
dulum of mass 200 g. It is displaced from
posito B. The potential energy at the
he pendulum bob is raised by 5 m.
The figure below shows a simple pendulu m assa
the mean position A to the extreme position BTW
position A is zero. At the position B the pendulumbo
(3)
Lo
--
--
15 m
- - -
- -
(1) What is the potential energy of the pendulum at the
(ii) What is the total mechanical energy at point C?
(iii) What is the speed of the bob at the position A when released from B2
(Take g = 10 ms 2 and there is no loss of energy.)
Answers
Answer:
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