Q1. A 3.3 block of wood sits on a table. A 3.0 bullet, fired horizontally at a speed of 480, goes completely through the block, emerging at a speed of 200 .What is the speed of block immediately after the bullet exits?

Q2. Compute the percent error made over one mile of distance by the "5 second rule" for estimating the distance from a lightning strike for each of the following temperatures. The "5 second rule" says that for every 5 seconds between seeing a lightning strike and hearing the associated sound, the lightning is 1 mile distant. Assume 1 mile equals 1610 meters.

Q3. A train travels at a speed of 24 m/s. Then it slows down uniformly at 0.065 m/s2 until it stops. What distance does the train travel while slowing down?

Policy affects consumer surplus : Compute how this policy affects consumer surplus, and the cost of pollution. Would you recommend this policy. |

Loved one child more than the other : Gary has two children, Kevin and Dora. Each one consumes "yummiest" and nothing else. Gary loves both children equally. |

What do superstring theories try to elucidate : A conveyor belt at a quarry lifts 2,000 kg of sand per minute up a vertical distance of 12 meters. The sand is originally at rest, then moves at a speed of 0.20 m/s all along the conveyor belt. What is the instantaneous power produced by this machine.. |

Household be better or worse : Coupled with $160 annual tax rebate per household. Will the household be better or worse off under the new program. |

What distance does the train travel while slowing down : A 3.3 block of wood sits on a table. A 3.0 bullet, fired horizontally at a speed of 480, goes completely through the block, emerging at a speed of 200 .What is the speed of block immediately after the bullet exits. |

Evaluate p-value of the chi-square test of this hypothesis : Suppose we wish to test the null hypothesis that there are no differences among the proportion of men and women who developed a rash. Evaluate the P-value of the chi-square test of this hypothesis. |

Discretionary fiscal policy and automatic fiscal policy : Explain the difference between Discretionary Fiscal Policy and Automatic Fiscal policy. Provide an example of each. |

Was the horizontal speed actually faster : A train at rest emits a sound at a frequency of 1045 Hz. An observer in a car travels away from the sound source at a speed of 37 m/s. What is the frequency heard by the observer? Imagine the speed of sound in air to be 340 m/s. |

Coffee production contributed to the growth : In what ways and to what extent did coffee production contributed to the growth and development of the Brazilian economy before 1930. |

## What was the absorbed dose in the carbon wallsWhat was the absorbed dose in the carbon walls? The average mass stopping powers of graphite and CO2 for the photons are, respectively, 1.648 and 1.680 MeV cm^2/g. |

## What is magnitude of induced emf between the ends of beamWhat is magnitude of induced emf between the ends of beam |

## How much work is completed by the system in this processHow much work is completed by the system in this process. Determine the increase in entropy produced by the parachutist; assume the air temperature is 21 degrees C. How much work is completed by the system in this process. |

## How much higher on the wall is the spotIf you now place a pencil under the edge of the mirror nearer the wall, tilting it upward by 5.0, how much higher on the wall is the spot? |

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