Anet force of 100 newton's is applied to a wagon for 5 seconds. determine the change of momentum in the wagon.

The particles of an ice cube at 0°c (represented by the blue circles) come in contact with the particles of juan’s hand at 37°c (represented by the orange circles). which diagram correctly represents the temperature of the two substances and the direction of heat flow?

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is