Posted by **jack** on Sunday, October 23, 2011 at 7:31pm.

An 85 cm long pendulum with a 0.80 kg bob is released from rest at an initial angle of θ0 with the vertical. At the bottom of the swing, the speed of the bob is 2.8 m/s.

What angle does the pendulum make with the vertical when the speed of the bob is 1.4 m/s?

- physicsURGENT -
**Anonymous**, Thursday, December 13, 2012 at 12:56am
dude, you do it

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