A train slows down as it rounds a sharp horizontal turn, going from 80.0 km/h to 58.0 km/h in the 13.0 s that it takes to round the bend. The radius of the curve is 180 m. Compute the acceleration at the moment the train speed reaches 58.0 km/h. Assume the train continues to slow down at this time at the same rate.

Determine the most economical design of system to deliver : You are the Chief Engineer for a prominent hydraulics consulting company. Your client wants to pay you lots of money to design a system to deliver 1 m3/s from reservoir A at elevation 300 m to reservoir B at 500 m. |

Find the minimum frequencies heard by astationary listener : A whistle of frequency 500 Hz moves in a circle of radius 1 m at3 rev/s. What are the maximum and minimum frequencies heard by astationary listener |

Importance of framing a problem : A program that tells a bus rider which buses to take to get from one location to another, arriving by a specified time. |

What is the voltage across the resistor : A 700 omega and a 2300 omega resistor ar econnected in a series with a 12-V battery. What is the voltage across the 2300 omega resistor |

Compute the acceleration at the moment the train speed : A train slows down as it rounds a sharp horizontal turn, going from 80.0 km/h to 58.0 km/h in the 13.0 s that it takes to round the bend. Compute the acceleration at the moment the train speed reaches 58.0 km/h |

Explain what is the pressure of the mixture : 1.2 mol of helium is mixed with 2.3 mol of argon in a volume of 1.0L and a temperature of 25.0C. Assuming that helium and argon are perfect gases, what is the pressure of the mixture |

How far would the launching machine slide on the moon : The question below was asked before, but this seems to ignore that the launching machine should have static friction as well, How far would the launching machine slide on the Moon |

Define throughput in regards to wireless network : Define throughput in regards to wireless network and use a practical method to measure throughput of a wireless network? You should provide any appropriate screenshots. |

Compute the volume in ml of 1.2 mol of a perfect gas : Calculate the volume (in mL) of 1.2 mol of a perfect gas at 25.0C and a pressure of 1.02 atm. |

## At what speed are the galaxies movingAn astronomer on earth observes two galaxies moving away from each other along a line that passes through the earth. At what speed are the galaxies moving apart relative to each other? |

## Estimate the potential diference between you and your friendWhen you touch a friend after walking across a rug on a dry day, you typically draw a spark of about 2 mm. Estimate the potential diference between you and your friend before the spark |

## Find the capacitance per unit lengthThree concentric, thin, long conducting cylindrical shells have radii of 3.00 mm, 5.00 mm, and 6.00 mm, Find the capacitance per unit length of this configuration |

## Find out the time for the bullet-block systemA 21 kg solid door is 220 cm tall, 94 cm wide. What is the door's moment of inertia for rotation about the vertical axis inside the door, 17 cm from one edge. |

## What is the length of the shorter stickWhen two sticks are laid end-to-end they cover a length of 8.32 feet. What is the length of the shorter stick |

## What is the intensity of moonlight at the earthMoonlight is primarily reflected sunlight. If the moon reflects 15% of the photons that strike its surface, and we know that the intensity of sunlight at earth is I, what is the intensity of moonlight at the Earth during a full moon |

## Calculate how much work is done by the electric forceA point charge +2.40 is held stationary at the origin. A second point charge -4.30 moves from the point = 0.175 , = 0 , How Much work is done by the electric force on q2 |

## What is the size of the final imageTwo lenses, the first with focal length 10.0 cm and the second with focal length -12.5 cm, are separated by 20.0 cm. What is the size of the final image and what is its position |

## Explain how high does the top of the ice block float aboveThe density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3. Explain how high does the top of the ice block float above the water level? |

## What is the train accelerationA toy train is pushed forward and released at xi = 2.4 m with a speed of 1.4 m/s. What is the train's acceleration after its wheel begins to stick |

## How much heat must be supplied to the waterA pot containing1.00 liter of water, initially at 20.08C, is placed on a 1000 W electric heating element. How much heat must be supplied to the water to bring it to a boil |

## What is the force constant of this springAn unstretched spring is 13.0 cm long. When you hang an 845 g weight from it, it stretches to a length of 16.0 cm. What is the force constant (in N/m) of this spring |

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