Physics-
General
Easy
Question
What is the velocity of the bob of a simple pendulum at its mean position, if it is able to rise to vertical height of 10cm (g = 9.8 m/s2)
- 2.2 m/s
- 1.8 m/s
- 1.4 m/s
- 0.6 m/s
The correct answer is: 1.4 m/s
According to the principle of conservation of energy, 
or 
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