Which of Newtons laws are exhibited when riding a roller coaster? Please explain using examples and complete sentences

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.