A stone is dropped off a cliff. After this stone has traveled a distance d . A second stone is dropped. the distance between the two stones will be? A. Decrease at first then stay constant
B. Increase at first then stay constant
C. Increase
D. Decrease
E. Stay constant

A900 kg roller coaster car is travelling westward on the track and begins to slow down from 18m/s to 2m/s. how long does it take the roller coaster car to decelerate if the force acting on the car to slow it is 7024n? how far does the roller coaster travel during this time?

With i really need the correct answer!

How will the system respond to a temperature increase?