A track runner ran 2 laps around the track and stopped halfway through his 3rd. If a track is 400 meters long. How far did the athlete run?*
800 meters
O 1000 meters
400 meters
O 1200 meters

Aball horizontally thrown from a cliff at 8m/s

Where should a carbon monoxide detector be mounted?

Which statement is true? a) the work done to lift an object 6 meters is greater than the gravitational potential energy it gains. b) the work required to push an object is less than the work required to pull an object the same distance. c) the work required to raise an object to a height is equal to the gravitational potential energy the object gains. d) the work done against gravity to lift an object straight up is greater than the work required to roll it up a ramp.