Select all of the options that best complete the following sentence. As a roller coaster carriage descends the first hill:its potential energy is transformed into kinetic energyits kinetic energy increases with its speedthe main force acting on it is gravityits potential energy increases

Select the option that best completes the following sentence. The amount of gravitational potential energy possessed by an object such as a roller coaster carriage:increases with its speeddecreases with its heightincreases with its heightnever changes

Select all that applyIdentify which involve energy transformations.Multiple select question.The motion of a roller coaster car as it travels around the track.A space craft moving through space at a constant velocity.The use of an ice pack on an athlete's injured knee.The Sun warming your skin on a hot summer day.Need help? Review these concept resources.

13) If the roller coaster car in question 12 were moving with twice the speed, then what would be its new kinetic energy?

Which of the following is an example of potential energy transformed into kinetic energy?lifting a book above your headSetting a mouse trapCompressing a spring A mouse tripping a mouse trapRiding a bike to the top of a hill

A diagram of a roller-coaster track is shown below. Select the position on the track at which a roller-coaster car has the most gravitational potential energy.