The diagram shows a positive charge moving in a magnetic
field.
In which direction is the magnetic force acting on the
charge?
into the screen
out of the screen

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)

Why do astronauts in the space shuttle weigh less?

What are some important factors to consider when choosing a warm-up before your workout?