- What is the temperature of a gas (essentially) a measure of? Average kinetic energy of the particles Maximum kinetic energy of the particles Average potential energy of the particles Maximum potential energy of the particles Average pressure of the particles Maximum size of the particles
- __ on an object does no work if a. a machine is of to move the object. b. the force is not attentinetion of the object's motion. c. the force is greater than the force of d. the object accelerates. __ 2. If you exert a force of 10.0 N to lift a box a distance of 0.75 m, how much work do you do? a. 0.075 J b. 7.5J c. 10.75 j d. 75] __ 3. If you perform 30 joules of work lifting a 20-box from the floor to a shelf,how high is the a. 0.5 m b. 0.6 m c. 1.5 m d. 2 m __ 4. If you exert a force of 500 N to walk 4 m up a flight of stairs in 4 s, how much power do you use? a. 31 W b. 500 W c. 2000 W d. 8000 W __ 5. Which of the following statements is true? a. To increase power you can decrease the amount of work you do in a given amount of time, or you can do a given amount of work in less time. b. To increase power, you can decrease the amount of work you do in a given amount of time or you can do a given amount of work in more time. c. To increase power, you can increase the amount of work you do in a given amount of time or you can do a given amount of work in less time. d. To increase power ,you can increase the amount of work you do in a given amount of time or you can do a given amount of work in more time. __ 6. A 750-W motor might also be rated as a a. 0.5-horsepower motor.b. 1-horsepower motor. c. 2-horsepower motor. d 10-horsepower motor. __ 7. When a machine does work, it can do all of the following EXCEPT a. change the direction of a force. b. increase a force and change the distance a force moves. c. increase the distance a force moves and change the direction of a force. d. increase a force and increase the distance a force moves.
- Ultimately, the combination of kBT has what units? Energy, J. Force,N. Temperature, K. Number of particle i.e. unitless Time, s.
- . If a student changes an experiment's conditions from 15.3 I.1.7 atm, and 45^circ C to STP, what will the new volume be?
- Using Ohm's Law, what happens to the flow of the current if the voltage is decreased? The current decreases. The current remains the same. The current increases.
