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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 | 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 | If a is acceleration, v is velocity, x is position, and t is time, then which equation is not dimensionally correct? | v = a/t | |

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 | If the displacement of an object, x, is related to velocity, v, according to the relation x = Av, the constant, A, has the dimension of which of the following? | time | |

1 | If Φ = 90° - θ, what is the value of sin^2 Φ + sin^2 θ? | 1 | |

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 | Modern electroplaters can cover a surface area of 60.0 m2 with one troy ounce of gold (volume = 1.611 cm3). What is the thickness of the electroplated gold? | 2.68*10^-8 m | |

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 | Note the expression: y = A/x3. Which statement is most consistent with this expression? | if x is halved, y is multiplied by eight | |

1 | Note the expression: y = x2. Which statement is most consistent with this expression? | if x doubles, then y quadruples | |

1 | On planet Q the standard unit of volume is called the guppy. Space travelers from Earth have determined that one liter = 38.2 guppies. How many guppies are in 150 liters? | 5730 guppies | |

1 | On planet Z, the standard unit of length is the foose. Ann the Astronaut is 5.90 feet tall on earth. She lands on planet Z and is measured to be 94 foosi tall. Her partner Rachael is 88 foosi tall. How tall is Rachael on Earth? | 5.5 feet | |

1 | One year is about ____ seconds while one day is exactly ____ seconds. | 3.16*10^7, 86400 | |

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 |

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