True or false: when a ball bounces off a wall, the net force on the ball is zero because of action and reaction forces.

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n

Select the correct answer. what does the process of natural selection involve?

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?