15) A half atwood machine has a mass of 10kg on the table tied to a 10kg mass hanging off of the table. The table is pretty old and rough, so it has a coefficient of friction equal to 0.1. What is the acceleration in the system? 5.9 m/s/s
0 m/s/s
4.4 m/s/s
9.8 m/s/s

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.

Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly

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.