Acharge of +1.4×10^6 coulombs moves from point a to b. what is the potential difference between the two points if the work done on the charge is +3.4×10^7 joules? a: 10 volts b: 14 volts c: 24 volts d: 34 volts

When an object is heated it contracts. a. true b. false

What do you think car designers do if the damage caused by a crash test is too severe?

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive