Determine the magnitude of the force between two point charges, Q1 = -2e located at (-3.60 cm, +4.10 cm) and Q2 = -8e located at (-0.60 cm, -8.60 cm). Continue working the problem above by calculating the direction of the force that Q1 exerts on Q2. Give your answer in the form "abc.d" degrees, clockwise from the +x axis direction, and rounded to the nearest tenth of a degree.

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How far apart are the two cruisers : A double speed trap is set up on a freeway. One police cruiser is hidden behind a billboard, and another is some distance away under a bridge. As a sedan passes by the first cruiser, its speed is measured to be 99.7 mph. |

Proportion who believe there is life on other planet : (a) What is the sample proportion of Americans who believe there is intelligent life on other planets? (b) What is the standard error of the sample proportion? (c) Calculate a 90% CI for the population proportion of Americans who believe there is .. |

Calculating the direction of the force that q1 exerts on q2 : Determine the magnitude of the force between two point charges, Q1 = -2e located at (-3.60 cm, +4.10 cm) and Q2 = -8e located at (-0.60 cm, -8.60 cm). Continue working the problem above by calculating the direction of the force that Q1 exerts on Q.. |

Confidence intervals-hypotheses testing : The following data was randomly drawn from a normal population. At an alpha level of .05, does the mean of the population differ significantly from -150. Use Excel. |

Creating p chart to monitor the process : The Shoe Store manufactures athletic shoes. The company wants to establish a p-chart to monitor the production process using Z = 3.00. The company has taken a sample of 50 shoes every 4 hours for a work week of five days. |

What are charges of the sphere and rod now : A metallic sphere has a charge of +4.4 nC. A negatively charged rod has a charge of -6.0 nC. When the rod touches the sphere, 7.2 109 electrons are transferred. What are the charges of the sphere and the rod now? sphere nC rod nC |

Examine the dorm life on campus : Let the following research situations. A researcher examining dorm life on campus discovers that 60 percent of residents regularly violate |

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## Calculate the speed and direction of the players26 g of copper pellets are removed from a 300 degree Celsius oven and straight away dropped into 116 mL of water at 25 degree Celsius in an insulated cup. What will the new water temperature be. |

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