Tuesday

October 21, 2014

October 21, 2014

Posted by **Anonymous** on Thursday, October 17, 2013 at 1:50pm.

(a) What is the speed v of the bead when θ = 90∘ ? Express your answer in terms of m, R, k, and g.

(b) What is the magnitude of the force the hoop exerts on the bead when θ = 90∘ ? Express your answer in terms of m, R, k, and g.

- physics -
**Anonymous**, Tuesday, October 22, 2013 at 3:26pmsqrt(( (2*sqrt(2)-2)*k*R^2)/m+2*g*R)

(2*(sqrt(2)-1)*k*R)+(2*m*g)-((sqrt(2)-1)*(k*R)*(1/sqrt(2)))

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