Recent content by Kat11111

http://session.masteringphysics.com/problemAsset/1073612/3/knight_Figure_07_61.jpg This is the picture. I am sorry, I forgot to put the link:S

Homework Statement Two wires are tied to the 300 g sphere shown in figure. The sphere revolves in a horizontal circle at a constant speed of 6.50 m/s. What is the tension in the upper wire?What is the tension in the lower wire? Write an equation for the sum of the forces along y. Use it to...

Thanks to both of you, I got it! I didn't see the masses canceled in the first equation.

Homework Statement In a shuffleboard game, the puck slides a total of 12 m before coming to rest. If the coefficient of kinetic friction between the puck and board is 0.28, what was the initial speed of the puck? Homework Equations f=ma fk=U*N vf^2=v^2+2ad a=delta v/t The...