A freight train rolls along a track with considerable momentum. If it rolls at the same speed but hastwice as much mass, its momentum isa. zero. b. doubled. c. quadrupled. d. unchanged.

Which factors affect the speed of ocean waves?

Which change would increase the maximum speed at which the go cart could travel without sliding off this track

How does force do positive work on an object?

Which of the following is not true about the Global Positioning Systems (GPS) ? a. GPS can determine the composition of soil on mountain ranges. b. GPS can determine latitude and longitude of a given area. c.

The magnitude of the acceleration of gravity, in the International System of Measurements, in an object that falls vertically is: a. 32.2 ft / s^2 b. 9.81 m / s c. 32.2 m / s^2 d. 9.81 m / s^2

Which objects are inclined planes? Check all that apply. a nail a staircase a seesaw a wheelchair ramp a slide

In a reaction with water, a base will accept a proton from the water; therefore, the water must be acting as an acid. True or False

What are the three properties of gravity

How do matter and energy interact?

What is something that has a lot of thermal energy?