Kinematics Question 550

Question: A pendulum bob on a 2 m string is d it’splaced 60o from the vertical and then released.What is the speed of the bob as it passes through the lowest point in it’s path [JIPMER 1999]

Options:

A) 2m/s

B) 9.8m/s

C) 4.43 m/s

D)1/2m/s

Show Answer

Answer:

Correct Answer: C

Solution:

v=2gl(1cosθ)=2×9.8×2(1cos60)

=4.43m/s



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