There are two telescopes observing at night. The first telescope is 0.3m and has a focal ratio of f/8. The second telescope has a focal ratio of f/4 and is 30m in diameter. They each have an identical CCD camera whose pixels are 25 microns on a side. How much energy will be accumulated in a single pixel in a 100s exposure?

What do you think of a government placing a price ceiling : A price ceiling sets a maximum legal price that a seller may charge, typically placed below equilibrium. What do you think of a government placing a price ceiling the next time gasoline prices rise above $4.00 a gallon? |

Determine what will the new water temperature be : 24.0g of copper pellets are removed from a 300oC oven and immediately dropped into 110mL of water at 25.0oC in an insulated cup. What will the new water temperature be |

Compute the wave propagation speed on the guitar strings : Two identical guitar strings are prepared such that they have the same length (1.91 m) and are under the same amount of tension. compute the wave propagation speed on the guitar strings |

Explain soluble in non polar solvents : Of the four general types of solids, which one(s) a. are generally low-boiling. b. are ductile and malleable. c. are generally soluble in non polar solvents |

How much energy will be accumulated in a single pixel : The first telescope is 0.3m and has a focal ratio of f/8. The second telescope has a focal ratio of f/4 and is 30m in diameter. They each have an identical CCD camera whose pixels are 25 microns on a side. |

What was the original frequency of the untuned string : A piano tuner sounds two strings simultaneously. One has been previously tuned to vibrate at 292.0 Hz. The tuner hears 4.0 beats per second. What was the original frequency of the untuned string |

Determine what is the efficiency of the panel : A high performance solar panel is 24" by 54". Its maximum power output is 100W when placed under full sunlight. What is the efficiency of this panel |

Create the hypothetical titration curve for the titration : Calculate the pH after the addition of the following volumes: - Show all your calculations. no credit will be given without showing the details |

How large is the normal force of the log on the bullfrog : 1.) A 0.50kg bullfrog is sitting at rest on a level log. How large is the normal force of the log on the bullfrog. 2.) A second 0.50kg bullfrog is on a log tilted 38 above horizontal. How large is the normal force of the log on this bullfrog |

## Estimate the strength of the fieldA 2 meter wire carrying 1 A of current is at a 90 degree angle to a magnetic field. If the current feels a force of 1 N from the magnetic field, what is the strength of the field |

## How far does the box travel along the inclineA box is sliding up an incline that makes an angle of 13.4° with respect to the horizontal. How far does the box travel along the incline before coming to rest |

## What is the speed of the earth around the sunthe earth completes a circular orbit around the sun in one year. the orbit has a radius of 93,000,000 miles. what is the speed of the earth around the sun in m/s? Report your result using scientific notation. |

## Find the current in the fourth wireFour wires meet at a junction. In two of the wires currents I1 = 1.51 A and I2 = 2.99 A enter the junction. Find the current in the fourth wire |

## What is its rotational kinetic energyHow much would an 80.0kg person weigh) on mars where an acceleration of gravity is 3.93m/s^2 and (b) on earth's moon where the acceleration of gravity is 1.63m/s^2. |

## What average force athletes legs apply on a groundWhat average force athletes legs apply on a ground |

## How much work is required to move the blockThe block in the figure is initially at rest on an inclined plane at the equilibrium position that it would have if there were no friction between the block and the plane |

## What is the net charge contained in the cylinderA closed Gaussian cylinder sits centered around the z-axis and above the xy-plane with a length of A and a radius of R, What is the net charge contained in the cylinder |

## What magnetic field strength is required to balance weightAn electric field of 120000 N/C points due west at a certain spot. What is the magnitude of force that acts on a charge of -7.8C at this spot. |

## Compute the intensity of the lightUnpolarized light of initial intensity 26W/m^2 is passed through three polarizing filters polarizing filters. compute the intensity of the light after passing through all three polarizing filters |

## What is the volume occupied by the gasIf 5.0 moles of air is at 0.0 degrees Celsius and 1.0 atm pressure, what is the volume occupied by the gas in m^3 |

## Calculate value of saturation intensity and gain coefficientWhen a signal of intensity 3.0kWm-2 is applied at the input of an amplifier of length 10m, the output signal intensity is 36kWm-2. When the input intensity is reduced to 1.0kWm-2 the output is 20kWm-2. |

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