Help! Jerome solves a problem using the law of conservation of momentum. What should

Jerome always keep constant for each object after the objects collide and bounce apart?

velocity

mass

momentum

direction

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

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.

Difference between series and parallel circuits