A stone of mass m is suspended from the free end of a wire that is wrapped around the outer rim of a pulley. The pulley is a uniform disk with mass M and radius R and turns on frictionless bearings. The pulley moves with the cord without slippage between the two. Which conservation law holds for this situation?

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.

What is similar between metals and suspensions