Homework Help: Physics

Posted by Sam Line on Thursday, October 29, 2009 at 12:32pm.

While fishing, you get bored and start to swing a sinker weight around in a circle below you on a 0.25-m piece of fishing line. The weight makes a complete circle every 0.50 sec. What is the angle that the fishing line makes with the vertical?

Physics - MathMate, Thursday, October 29, 2009 at 6:08pm
Centripetal acceleration, Ac (horizontal)
= (1/2)v²/r m/s²
Acceleration due to gravity, g (vertical)
= 9.8 m/s²

Angle with vertical, θ
= tan^-1(Ac/g)
Physics - hopsy, Monday, January 17, 2011 at 9:21pm
76.1°

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