A helicopter lifts a 61 kg astronaut 13 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/13. How much work is done on the astronaut by (a) the force from the helicopter and (b) the gravitational force on her? Just before she reaches the helicopter, what are her (c) kinetic energy and (d) speed?

A producer of staplers has received a forecasted demand of : a producer of staplers has received a forecasted demand of 10000 staplers for the coming month. fixed costs are 11545 |

A technician wraps wire around a tube of length 35 cm : a technician wraps wire around a tube of length 35 cm having a diameter of 8.2 cm. when the windings are evenly spread |

Discuss reasons why these types of companies have capital : the second half of chapter 12 discusses the use of debt financing in capital structure. the book refers to this |

Water at a flow of m 215 kgs is cooled from 82 degrees c : water at a flow of m .215 kgs is cooled from 82 degrees c to 42 degrees c by passing it though a thin-walled tube of |

A helicopter lifts a 61 kg astronaut 13 m vertically from : a helicopter lifts a 61 kg astronaut 13 m vertically from the ocean by means of a cable. the acceleration of the |

Consider the bivariate density fxycxy for 0ltxlt1 : consider the bivariate density fxycxy for 0ltxlt1 0ltylt1a obtain the appropriate normalization constant c.b obtain the |

Determine confidence intervals for each of the : determine confidence intervals for each of the followinga. mean 150 s 30 sample size 200 confidence level 95b. |

A brand name has a 40 recognition rate assume the owner of : a brand name has a 40 recognition rate. assume the owner of the brand wants to verify that rate by beginning with a |

The bear rug has sales of 822500 the cost of goods sold is : the bear rug has sales of 822500. the cost of goods sold is equal to 63 percent of sales. the beginning accounts |

## How much does it exhaust to the cold reservoirIf the engine absorbs 141.0 kcal of heat from the hot reservoir, how much does it exhaust to the cold reservoir |

## Estimate the magnitude of the force on the electronAn electron moves with velocity v = (3.79E+4i - 5.79E+4j) m/s in a magnetic field B = (-0.905i + 0.559j) T. What is the magnitude of the force on the electron |

## Determine the magnitude of the acceleration at the instanthow to determine the magnitude of the acceleration at the instant. |

## At what distance would the charge at rest begin to moveThe speed of sound in bone is 3500 m/s. How much time does it take the echo of a sound wave to travel from the back of the bone to the front of the bone if the bone is 2.50 cm thick. |

## How high above the vein must the blood container be placedPositive pressure is used in blood transfusion. Suppose the pressure in a vein is 0.25kPa and the density of blood is 1.04 x 103 kg/m3, how high above the vein must the blood container be placed |

## Find the final speed of the two cartsA truck weighs four times as much as a car. if the truck coasts into the car at 12km/h and they stick together, what is their fimal velocity. |

## Determine the volume rate of flowA 7.7cm diameter horizontal pipe gradually narrows to 6.7cm . When water flows through this pipe at a certain rate, What is the volume rate of flow |

## Find the magnitude of the torque on the current loopA square current loop 4.50cm on each side carries a 540mA current. What is the magnitude of the torque on the current loop |

## Calculate the volumetric wetness of the soilUsing a Time Domain Reflectometry (TDR) probe (rod length 30 cm) to estimate the soil water content of a wet sandy loam soil. alculate the volumetric wetness of the soil using the Topp and Davis (1985) equations |

## A proton high above the equator moves straight away froma proton high above the equator moves straight away from the earth with a speed of 395 ms.a find the acceleration of |

## What is the density of the tinA piece of tin has a mass of 25g and a volume of 4.3cm^3 a)what is the mass of 1 cm^3 b) what is the volume of 1g of tin c) what is the density of the tin d) what is the mass of 34cm^3 of the same type of tin e) what is the volume of 130g of the s.. |

## Obtain the area of the loopIf the induced voltage is 0.5 V, as B field is decreasing at a rate of 0.5 T/s in a loop. Calculate the area of the loop |

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