When a ball reaches its highest point in
its trajectory, its ACCELERATION is

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.

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.

You add 10 drops of hot water to the cold water in a clear beaker without stirring. after a short time, the water is warm throughout. which law of thermodynamics explains the change in temperature? third law second law first law