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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 |
---|---|---|---|

1 | The prefixes which are abbreviated p, n, and G represent which of the following? | 10^-12, 10^-9, and 10^9 | |

1 | In mechanics, physicists use three basic quantities to derive additional quantities. Mass is one of the three quantities. What are the other two? | length and time | |

1 | A triangle has sides of length 7.0 cm and 25 cm. If the triangle is a right triangle, which of the following could be the length of the third side? options 18cm, 24cm, 27cm, 32cm, 20cm | 24 cm | |

1 | Multiplying a 2 significant figure number by a 3 significant figure number and then dividing the product by a six significant figure number yields a number with how many significant figures? | 2 | |

1 | Which formula is dimensionally consistent with an expression yielding a value for velocity? (a is acceleration, x is distance, and t is time) | at | |

1 | A cement truck can pour 20 cubic yards of cement per hour. Express this in ft^3/min. | 9 ft^3/min | |

1 | The speed of a boat is often given in knots. If a speed of 5 knots were expressed in the SI system of units, the units would be: | m/s | |

1 | Suppose an equation relating position, x, to time, t, is given by x = b t^3 + c t^4, where b and c are constants. The dimensions of b and c are respectively: | L/T^3, L/T^4. | |

1 | The basic function of an automobile's carburetor is to atomize the gasoline and mix it with air to promote rapid combustion. Assume that 30 cm3 of gasoline is atomized into N spherical droplets. Each droplet has a radius of 2.0*10^-5 m. Find the total surface area of these N spherical droplets. | 45000 cm^2 | |

1 | A train slowly climbs a 500-m mountain track which is at an angle of 10.0° with respect to the horizontal. How much altitude does it gain? | 86.8 m | |

1 | If point A is located at coordinates (5, 3) and point B is located at coordinates (-3, 9), what is the distance from A to B if the units of the coordinated system are meters? | 10m | |

1 | For which of the values below is x > x^3? 1) x = -1.5 2) x = 0 3) x = 1.0 4) x = 1.5 5) x = 2.5 | x = -1.5 | |

1 | Areas always have dimensions ____ while volumes always have dimensions ____. | L^2, L^3 | |

1 | Which point is nearest the x axis? 1) (-3, 4) 2) (4, 5) 3) (-5, 3) 4) (5, -2) 5) (-4, 4) | (5, -2) | |

1 | An apartment has 1100 ft^2 of floor space. What is the approximate volume of the apartment? | 10^4 ft^3 |

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