47. You can only apply a 200 N force but you need to make a 20 kg wagon of mulch travel at a speed of 10 m's
How far do you have to push the wagon before its speed
reaches 10 m/s if it starts from rest? You may assume no
friction

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

Most of the volume of an atom is occupied by the

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9