Which of these is an example of the conversion of kinetic energy into gravitational potential energy?
Group of answer choices
a bicyclist coasting down a long hill
a car engine moving the car forward
a roller coaster car moving toward the top of a rise in the tracks
a thrown ball falling toward the ground after passing through the top part of its motion
Answers: 3
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What is the molar mass of a gas that has density of 2.054 g/l
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Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
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Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa
Answers: 2
Which of these is an example of the conversion of kinetic energy into gravitational potential energy...
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