The critical angle for total internal reflection for sapphire surrounded by air is 34.4°. Calculate the index of refraction of the substance.

Compare and contrast the experience-histories-traditions : Compare and contrast the experience/histories/traditions/themes of a community of Buddhists and Christian in relationship to the issues and problems they face as they define themseleves in the United States. |

Explain selecting the size and range of the scale units : What five items must you consider when selecting the size and range of the scale units for the x- and y-axis |

Information technology and information systems important : Why is the difference between information technology and informationsystems important? |

Explain n2 was determined by bubbling the mixture : The volume percentage of CO2 in a mixture of that gas with N2 was determined by bubbling the mixture at 1.00 atm and 25*C through a solution of 0.0100 M NaHCO3 and measuring the pH. |

Calculate the index of refraction of the substance : The critical angle for total internal reflection for sapphire surrounded by air is 34.4°. Calculate the index of refraction of the substance |

Determine what channel length must the transistor have : In a MOS cascode amplifier, the cascode transistor is required to raise the output resistance by a factor of 40. If the transistor is operated at Vov = 0.2 V, what must its Va be |

What is the cost of equity : Southern Home Cookin' just paid its annual dividend of $.80 a share. The stock has a market price of $26 and a beta of 1.1. The return on the U.S. Treasury bill is 4 percent and the market risk premium is 12 percent. What is the cost of equity? |

What is the pre-tax return on taxable bonds : An investment is available that pays a tax-free 5%. The corporate tax rate is 25%. Ignoring risk, what is the pre-tax return on taxable bonds? |

Review a classic article by peter drucker : Review a classic article by Peter Drucker - one of the world's foremost and influential authorities on management theory from the latter half of the twentieth century |

## What frequency is perceived by the occupant of a carA train siren indicating that the stationary train is ready to leave the station has a frequency of 80 Hz. What frequency is perceived by the occupant of a car traveling away from the train at 30 m/s? The speed of sound in air is 343 m/s. |

## Draw energy bar graphs to solve the problemsuppose that all the energy goes into the arrow, with what speed does the arrow leave the bow. |

## Find the terminal speed at which the bar fallsA 55g horizontal metal bar, 15cm long, is free to slide up and down between two tall, vertical metal rods that are 15cm apart. What is the terminal speed at which the bar falls |

## Express the temperature of the gasFour particles with masses 9kg, 4kg, 9kg, and 3kg are associated by rigid rods of negligible mass as shown. Assume the system rotates in the yz plane about the x axis with an angular speed of 9 rad/s. Find out the moment of inertia of the system a.. |

## How much work is done in charging the capacitorA ship sets out to sail to a point 136 km due north. An unexpected storm blows the ship to a point 108 km due east of its starting point. How far must it now sail to reach its original destination. |

## With what speed does the goalie slide on the iceA loudspeaker of mass 18.00 kg is suspended a distance of h= 1.60.below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of t= 3.90 m. What is the tension in each of the cables? Use 9.80 for the magnitude .. |

## What is the charge on sphereThe brakes are applied to a car traveling on a dry, level highway. A typical value for the magnitude of the car's acceleration is 5.45 m/s2. If the car's initial speed is 33 m/s, how long does it takes to stop and how far does it travel, starting .. |

## Determine the mass of a beamDetermine the mass of a 4.6 meter beam, if it is balanced on a fulcrum 2.16 meters from the left end. A 820 N man stands on the very left end, and a 360 N girl stands on the right end. (in kg) |

## What is the maximum weight that can be liftedthe cross sectional areas of the pistons in the system have a ratio of 25 to 1. If the maximum force that can be applied to the small piston is 12 N, what is the maximum weight that can be lifted? |

## The coefficient of kinetic friction between crate and floorA 15kg crate is moved along a horizontal floor by pulling on it with a rope that makes a 30 degree angle with the horizontal. The tension in the rope is 200N and the crate slides a distance of 10m. |

## Find the original speed of the fatherA father racing his son has half the kinetic energy of the son, who has one-third the mass of the father, What is the original speed of the father |

## What is the smallest thickness of a soap filmWhat is the smallest thickness of a soap film (n=1.40) that would appear black if illuminated with 470nm light? Assume there is air on both sides of the soap film |

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