For which of the following is the velocity constant (speed/direction does not change)?

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.

Which lists the organs in the correct order as food passes from the mouth to anus?