if you are given two metal spheres on insulating stands and positively charged rod explain how you can charge the two metal spheres such that they have an equal number of opposite charges

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.

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?