a freight train is traveling with a speed of 18.0m/s begins braking as it approaches the station. it takes 23s to stop what is the acceleration of the train?

Consider the following problem: a box with an open top is to be constructed from a square piece of cardboard, 3 ft wide, by cutting out a square from each of the four corners and bending up the sides. find the largest volume that such a box can have.

Acar traveling at 22 m/s starts to decelerate steadily. it comes to a complete stop in 15 seconds. what is it’s acceleration?

The strong nuclear force acts over a small distance than the electrostatic force. true or false