For a demonstration, a professor uses a razor blade to cut a thin slit in a piece of aluminum foil. When she shines a laser pointer (? = 682 nm) through the slit onto a screen 5.0 m away, a diffraction pattern appears. The bright band in the center of the pattern is 5.0 cm wide. What is the width of the slit?

µm

Determine the diameter of the hole : Light from a helium-neon laser (? = 633 nm) passes through a circular aperture, What is the diameter (in mm) of the hole |

Explain how much energy is evolved during the reaction : How much energy is evolved during the reaction of 32.5 g B2H6 and 72.5 g Cl2? Given: B2H6(g) +6Cl2 (g)---->2BCl3 (g) + 6HCl (g) DH -1396kj |

Calculate the project net investment : About a year ago, Johnson paid $10,000 to a consulting firm to conduct a feasibility study of the new milling machine. Johnson's marginal tax rate is 40 percent. |

Determine the time of operation over current relay : Determine the time of operation of 5A , 3 Seconds over current relay having a current setting of 150% and a time setting multiplier of 0.8 connected to supply circuit through a 500/5 current transformer when the circuit carries a fualt current .. |

Evaluate the width of the slit : For a demonstration, a professor uses a razor blade to cut a thin slit in a piece of aluminum foil. evaluate the width of the slit |

Explain the pyrene excimer emission spectrum : The pyrene excimer emission spectrum at a (higher/lower/same) wavelength than (as) the excited pyrene fluorescence emission spectrum. Explain. |

The eoq is particularly sensitive to which of the following : The EOQ is particularly sensitive to which of the following? |

Determine the characteristic roots for the system : An LTI system's impulse response is described by the differential equation, dh(t)/dt + 3h(t) = impulse function. Find the characteristic roots for the system, the initial condition, and the h(t) for t > 0. |

What is the maximum inventory level : In a non instanteneous receipt model, daily demand is 55 units and daily production is 120 units, Co=$70 and Cc=$4 per unit per year. What is the maximum inventory level? (Assume that the facility is open 365 days per year. |

## Find the magnitude of the resulting magnetic fieldA sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere. |

## Find the equivalent resistanceA resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners. |

## What is the electric field at the locationQuestion: Field and force with three charges? What is the electric field at the location of Q1, due to Q 2 ? |

## What is the maximum displacement of the bridge deckWhat is the maximum displacement of the bridge deck? |

## What is the magnitude of the current in the wireWhat is the magnitude of the current in the wire as a function of time? |

## Introductory mechanics: dynamicsCalculate the smallest coefficient of static friction necessary for mass A to remain stationary. |

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