If the distance between two charges is doubled, the force that one exerts on the other is

Abody covers a semicircle of radius 7cm in 5s .find its linear speed

What is the momentum of 70 kg runner traveling at 10 m/s?

Which is gerrymandering a problem for the house of representatives but not the senate? a.) members of the house are greatly influenced by their political parties. b.) senators serve longer terms than members of the house. c.) members of the house are more influenced by changes in public opinion. d.) senators are elected in statewide elections rather than in specific districts.