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The following physics responses are provided by a student and, as such, should be considered in that context. While every effort is made for accuracy, absolute correctness cannot be fully guaranteed.
| C | I | Question | Answer |
|---|---|---|---|
| 5 | The net force acting on a 6.0-kg object is given by Fx = (10 - x) N, where Fx is in newtons and x is in meters. How much work is done on the object as it moves from x = 0 to x = 10 m? | 50 J | |
| 5 | The quantity of work equal to one joule is also equivalent to which of the following? | watt × s | |
| 5 | The rate at which work is done is equivalent to which of the following? | power | |
| 5 | The SI units for k, the spring constant, are equivalent to: | kg/s2 | |
| 5 | The unit of power, watt, is dimensionally the same as: | joule/second. | |
| 5 | The unit of work, joule, is dimensionally the same as: | newton-meter. | |
| 5 | The work done by static friction can be: | Any of the above. | |
| 5 | Two blocks are released from the top of a building. One falls straight down while the other slides down a smooth ramp. If all friction is ignored, which one is moving faster when it reaches the bottom? | They both will have the same speed. | |
| 5 | Water flows over a section of Niagara Falls at a rate of 1.20 ´ 106 kg/s and falls 50.0 m. What is the power dissipated by the waterfall? | 588MW | |
| 5 | What is the kinetic energy of a 0.135-kg baseball thrown at 40.0 m/s (90.0 mph)? | 108 J | |
| 5 | What is the minimum amount of energy required for an 80-kg climber carrying a 20-kg pack to climb Mt. Everest, 8 850 m high? | 8.67MJ | |
| 5 | When an object is dropped from a tower, what is the effect of the air resistance as it falls? | None of the above choices are valid. | |
| 5 | Which of the following is an example of a nonconservative force? | friction | |
| 5 | Which of the following is that form of energy associated with an object's location in a conservative force field? | potential | |
| 5 | Which of the following is that form of energy associated with an object's motion? | kinetic |
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