Where does the basketball have the greatest gravitational potential energy?

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

Which wave is the result of amplification and produces a louder sound

During the apollo moon missions, astronauts were concerned about the effects of newton's third law of motion when: o a. they ejected waste water, because they were concerned that it would push them off course. o b. they reentered earth's atmosphere, because they were carrying heavy moon rocks. o c. they took off from earth, because a large force was required to generate large acceleration. o d. they detected incoming space debris, because the inertia of the debris could damage their ship.