The intensity level of an orchestra is 82 dB. A single violin achieves a level of 70 dB. How does the intensity of the sound of the full orchestra compare with that of the violin’s sound? In other words, find the ratio.

Find the frequency of its simple harmonic motion : A mass-spring system has k = 55.2N/m and m = 0.405kg. Find the frequency of its simple harmonic motion |

Tung- sten filament that has an emissivity : Calculate the temperature at which a tung- sten filament that has an emissivity of 0.25 and a surface area of 6.6×10?5 m2 will radiate energy at the rate of 51Win a roomwhere the temperature is 26?C. The Stefan-Boltzmann constant is 5.6696 × 10?8 W/m.. |

Assume all temperatures to be exact : Assume all temperatures to be exact. Ice (initially at 0 ) is added to 0.50L of tea at 18C to make the coldest possible iced tea. If enough ice is added so the final mixture is all liquid, how much liquid is in the pitcher when this condition occurs? |

Give a brief description of your product or service idea : Give a brief description of your product or service idea that you are developing for this course so your peers know what it is. |

The intensity level of an orchestra : The intensity level of an orchestra is 82 dB. A single violin achieves a level of 70 dB. How does the intensity of the sound of the full orchestra compare with that of the violin’s sound? In other words, find the ratio. |

What is the corresponding range in periods : The EEG. Physicians use electroencephalograms (EEGs) to study electrical oscillations in the human brain. What's the corresponding range in periods |

Identify and select appropriate technologies to protect : • Identify and select appropriate technologies to protect against the risks that were identified, and provide an explanation as to why the technology was chosen. |

Make a marketing plan : You will be creating a Marketing Plan. You have been building pieces of your Marketing Plan each week. This week it is time to put all the pieces together and add the "executive summary". |

Find the change in entropy that occurs : After 6.00 kg of water at 77.3 oC is mixed in a perfect thermos with 3.00 kg of ice at 0.0 oC, the mixture is allowed to reach equilibrium. find the change in entropy that occurs |

## Determine the final velocity of the very light objectA very massive object, almost infinitely massive, moving with a velocity V1=100m/s hits a very light object ("massless") at rest. What is the final velocity of the very light object |

## What is the uncertainty in the momentum of the protonA proton in a tin nucleus is known to lie with in a sphere whoes diameter is about 1.2x10^-14m. what is the uncertainty in the momentum of the proton |

## How much heat does it take to enhance the temperatureHow much heat does it take to enhance the temperature of 8.00 of an ideal monatomic gas from 22.0 to 61.0 if the gas is held at constant volume. |

## What current does the transformer draw from the lineThe step-down transformer in a local neighborhood reduces the voltage from a 7,200 V line to 120 V. What current does the transformer draw from the line |

## What is the intensity of the music arriving at the cliffMichelle is enjoying a picnic across the valley from a cliff. She is playing music on her radio, what is the intensity of the music arriving at the cliff |

## What is the speed of the third segmentA(n) 20 kg object, initially at rest in free space, "explodes" into three segments. What is the speed of the third segment |

## What is the speed of the first fragmentA projectile is fired at an angle of 45° with initial kinetic energy E0. At the top of its trajectory, What is the speed of the first fragment |

## Determine how much work does she doA child pushes a merry-go-round with a force of 50.0 N at an angle tangent to the circle (that is, perpendicular to a radius). how much work does she do |

## How much stored energy is there between the spheresa spherical conductor of radius 7.00mm carries a surface charge density of 9.00 microC/mm2. How much stored energy is there between the spheres |

## What is the oscillators total mechanical energyWhat is the oscillator's total mechanical energy as it passes through a position that is 0.749 of the amplitude away from the equilibrium position |

## Q1 to evaluate the program suppose she runs up a flight ofq1. to evaluate the program suppose she runs up a flight of 85 steps each 0.150 m high in 69.0 s. for simplicity ignore |

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