A space craft is designed to be rotating column, in order to simulate artifical gravity. For a column of radius 500m, what angular frequency must be maintained to simulate surface gravity?(9.81m/s^2)

Define why acetic acid has a very broad intense : The IR Spectra of solid benoic acid and liquid acetic acid are shown below. The OH stretch of a carboxylic acid is normally a broad peak from 3500-2500 cm-1. Explain why acetic acid has a very broad intense and prominent peak in this area but benz.. |

What annual rate of interest is your friend offering : A friend promises to pay you $1,000 two years from now if you lend hime $800 today. What annual rate of interest is your friend offering? |

Find value of gain k which would lead to marginal stability : Determine the value of gain, k which would lead to marginal stability. Using MATLAB, plot the step response of the closed loop system with this value of gain. |

How large should those deposits be : If I want to accumulate $15,000 in 6 years by making equal end-of-year deposits into an account paying 7% interest, how large should those deposits be? |

Find angular frequency must be maintained to simulatesurface : A space craft is designed to be rotating column, in order to simulate artifical gravity. find angular frequency must be maintained to simulate surface gravity |

Present value and considering the risk of inflation : Lockheed Martin and CACI International want to sell me a bond that will pay me $100,000 in one year. |

How much federal income tax was paid for the tax year : Consider a firm that had a taxable income of $110,000, and total gross revenues of $340,000 in the current tax year. Based on this information, how much federal income tax was paid for the tax year. |

Determine the engines efficiency : A Carnot engine operates between reservoirs at 550K and 300K, discarding 1500 J of heat in each cycle. determine the engine's efficiency |

What gauge pressure does the pump have to provide : A drinking fountain shoots water about 14 cm up in the air from a nozzle of diameter 0.60 cm. What gauge pressure does the pump have to provide |

## What is the frequency of blue lightWhat is the frequency of blue light that has a wavelength of 450 nm and What is the frequency of red light that has a wavelength of 650 nm |

## Determine the three resistor valuesA circuit has three resistors in series with a 36 volt source, The voltage across the third resistor is 20 V, Determine the three resistor values |

## What is the change in velocity of the playerA skier starts from rest at the top of a hill that is inclined at 12.0° with the horizontal. The hillside is 180.0 m long, and the coefficient of friction between the snow and the skis is 0.0750. At the bottom of the hill, the snow is level and the c.. |

## What is the final charge of each conductorWhat is the final charge of each conductor. Two identical spherical conductors X and Y are mounted on insulated stands. X carries the charge of +8.0nC and Y carries a charge of -2.0nC. |

## What should the height of the building beConsider the same situation, but now let the initial speed v_0 of first ball be given and treat the height h of the building as an unknown. What should the height of the building be for both balls to reach the ground at the equivalent time for v_0.. |

## What constant torque bring it from rest to an angular speedA styrofoam cooler (k = 0.030 W/(m·K)) has outside dimensions of 0.270 m by 0.230 m by 0.280 m, and an average thickness of 2.6 cm. About how long would it take for 1.60 kg of ice at 0 °C to melt in the cooler if the outside temperature is 30.0 °C.. |

## How fast are the waves movingAn 8 g bullet is fired into a 2.5 kg ballistic pendulum and becomes embedded in it. If the pendulum raises a vertical distance of 6cm, compute the initial speed of the bullet. |

## Calculate the range of induced emf on the antennaA car has its 0.45m long radio antenna oriented vertically upward and is traveling at highway speeds of 70 mph. Calculate the range of induced emf on the antenna |

## Find the combined kinetic energyTwo insulated spheres have radii r1 and r2, and charges q1 and q2, What is their combined kinetic energy when they collide, in terms of the variables above, and k the constant in Coulombs Law |

## Find the fraction of ball initial kinetic energyA ball of mass 0.40 kg is fired with velocity 140 m/s into the barrel of a spring gun of mass 2.1 kg initially at rest on a frictionless surface. What fraction of the ball's initial kinetic energy is stored in the spring |

## Calculate the effective temperature of the sunThe solar constant is the power received from the Sun per unit area perpendicular to the Sun's rays at the mean distance of Earth from the Sun, Calculate the effective temperature of the Sun if it radiates like a blackbody |

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