A 6.93*10-4 C charge has a potential energy U = -3.09 J at a
point in space. What is the electric
potential V at that point?
Include the sign, + or -
Thing (Unit = V)

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

Hydrogen and helium are both members of?

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.