A typical propane tank that we use for barbeque initially contains a pressure of 10 psi. The pressure is low, so we take it to the local store to fill the tank with more propane. After filling,the pressure is 100 psi. Calculate by what factor the mass of propane has increased inside the tank? (Assume the temperature and volume are constant before and after filling the tank.)

Determine specific surfaces in m2 per g units for the sphere : Determine the specific surfaces in m2/g units for the spheres of diameters (a) 10.0 cm, (b) 1.0 cm,(c) 0.1 cm, (d) 0.01 cm. (e) 0.001 cm and (f) 0.0001 cm. Assume the mass density of spheres as 2.5g/cc. |

Calculate the total power supplied to the two resistors : Two resistors, 61.1 and 83.6 , are connected in parallel. The current through the 83.6 - resistor is 4.29 A. What is the total power supplied to the two resistors |

Compute the maximum efficiency of the engine : Determine the changes in entropy (of the system, the surroundings, and the universe) for each step of the cycle and the cycle overall. Evaluate the maximum efficiency of the engine, assuming that the heat is supplied in step (2). |

Major causes of reduced fertility rates : One of the major causes of reduced fertility rates in Canada is that women want to establish their careers prior to becoming mothers, postponing their child bearing years. In what three ways can be developed nations, such as Canada, end the current r.. |

Calculate by what factor the mass of propane has increased : A typical propane tank that we use for barbeque initially contains a pressure of 10 psi. The pressure is low, so we take it to the local store to fill the tank with more propane. After filling,the pressure is 100 psi. |

Determine the recoil speed of the man and rifle : A rifle with a weight of 30 N fires a 6.0-g bullet with a speed of 200 m/s. find the recoil speed of the man and rifle |

How much free cash flow did the firm generate during 2012 : Net income = 825; after-tax operating income 925; and Total assets = 2500. how much free cash flow did the firm generate during 2012? |

Calculate the temperature of the air in fahrenheit : The "sea-level adjusted" pressure at the airport was about 30.57 inches of mercury. Assuming the density of air is 1.30 kg/m3 and the gas constant for air is 287. J/(kg K), calculate the temperature of the air in Fahrenheit. |

Compute impulse is delivered to the ball by the player : A 0.329-kg volleyball approaches a player horizontally with a speed of 12.9 m/s. What impulse is delivered to the ball by the player |

## Determine the velocity and acceleration of point c of beltdetermine the velocity and acceleration of point C of the belt, (a) immediately before the power is turned off. (b) 9 s later. |

## Case study-disaster identifying safety managementConduct a Case Study on this disaster identifying safety management, safety audits, accident investigation, and industrial hygiene issues. Your Case Study should be a minimum of 500 - 600 words and contain the components listed above. |

## Determine the flow areaA rectangular concrete channel is 3 m wide and 2 m high. The water 20 deg Celsius in the main channel is 1.5 m deep and is flowing at a rate of 30 m^3/s. determine the flow area, wetted perimeter, and hydraulic radius. is the flow laminar or turbu.. |

## How much was the initial investment at an interest rateA company that manufactures regenerative thermal oxidizers made an investment 10 years ago that is now worth $1,300,000. How much was the initial investment at an interest rate of 15% per year (a) simple interest and (b) compound interest? |

## What are the factors affecting the hydraulic conductivitywhat are the factors affecting the hydraulic conductivity? |

## Determine the torsional moment in the hollow x-sectionA concrete box girder bridge has the rectangular x-section. The box is prismatic and considered thin-walled. It span is L=48m and simply supported at points A,B,C and D. The supports are assume to be able to transfer tensile forces. |

## How much force must be applied to keep the gate \A gate (shaped like .25 of a cylinder with radius R=3m) is used to control the flow of water through a canal.The height of the water in the tank is 30m. How much force must be applied to keep the gate from opening? The gate is 30m wide. |

## Determine the lubricant film thickness of flat surface areaA body weighing 120 lb with a flat surface area of 2 ft^2 slides down a lubricated inclined plane making a 30 degree with the horizontal. For a viscosity of 0.002 lb*s/ft^2 and body speed of 3 ft/s, determine the lubricant film thickness. |

## Determining optimal solutionThe company would like to distribute the songs between the two CDs such that the used space on each CD is about the same. Formulate the problem as an IP, and find the optimal solution. |

## Determine ft and fnfor this purpose replace this force by its equivalent of two forces at At Ft parallel and Fn perpendicular to the beam. Determine Ft and Fn. |

## Determine the value of gravity in units of metersif a ball is dropped from a height of 800 cemtimeters, and the impact velocity is 41 feet per second, determine the value of gravity in units of meters per second. |

## Volume of the lakeSuppose that the distance from the lake outlet to the withdrawal cannot be more than 20 mi. What should be the new volume of the lake? |

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