A spool of wire of mass 5.2 kg and radius 0.97 m is unwound under a constant wire tension 10 N. Assume the spool is a uniform solid cylinder that rolls without slipping. Find the friction force on the bottom of the spool. Let right be positive.

What are the theoretical properties of a gas at a temperature of 0 kelvin?

When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great.d) about 10 times as great.

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit