A heat engine has a maximum possible efficiency of 0.800. If it operates between a deep lake with a constant temperature of 287.0 k and a hot reservoir, what is the temperature of the hot reservoir?

At what angle to the horizontal should he jump : The jumping squirrel. A squirrel wants to jump from a point A on a branch of a tree to a point B on another branch. at what angle to the horizontal should he jump |

Explain what is the partial vapor pressure of benzene : What is the mole fraction of each component if 3.9 g of benzene (C6H6) is dissolved in 4.6. Assuming that this mixture is ideal, that is, it follows Raoult's Law, what is the partial vapor pressure of benzene in this mixture at 50 C |

Influence of promoting internally : If a company did not currently have a diverse workforce, what would be the influence of promoting internally? How could a company move forward toward a diverse workforce and still use promoting from within? |

Fixed price contracts in creating effective-efficient : Discuss the importance of fixed price contracts in creating effective, efficient, and accountable acquisition planning. Support your discussion with FAR regulations. |

Find the temperature of the hot reservoir : A heat engine has a maximum possible efficiency of 0.800. If it operates between a deep lake with a constant temperature of 287.0 k, what is the temperature of the hot reservoir |

Write a president class in java : Write a President class in java which will keep track of the following information of any president of the United States: Name,President Number,Date of birth and Date of death. |

What is the value of the unlevered firm : The estimated earnings before interest and taxes are $239,000 annually forever. Currently, the firm has no debt but is in the process of borrowing $400,000 at 9.5 percent interest. The tax rate is 30 percent. What is the value of the unlevered fir.. |

Determine what is the generators output impedance : Signal generator's internal impedance is purely resistive andhas an open circuit 3.5 V. When the generator is loaded with 22ohms of resistance, its terminal voltage drops to 2.8 volts. What is the generators output impedance (pure resistance ) |

Find the direction of the cars average acceleration : a car traveling due east at 20 m/s reverses its direction over a period of 10 seconds so that it is traveling due west at 20 m/s. find the direction of the car's average acceleration |

## How long will it take to bring the object to full stopA 3.5 k and a 1.5 k resistor are connected in parallel and this combination is connected in series with a 1.8 k resistor. If each resistor is rated at 1/2 W, what is the highest voltage that can be applied across the whole network. |

## What was the average speed of the base- ballA student throws a baseball at a large gong 76 m away and hears the sound of the gong 1.95758 s later. What was the average speed of the base- ball on its way to the gong |

## What is the wavelength of the waves produced on the wireWhat is the wavelength of the waves produced on the wire. |

## How deep is the submarineA destroyer sends a sonar pulse out to detect a submarine directly below the ship in the ocean. If the speed of sound in what is 1517 m/s and it takes 64.13 s for the return pulse to hit the hydrophone on the bottom of the ship, how deep is the su.. |

## What is produced heatConsider two capacitors in air each with a capacitance C, both capacitors then were filled with liquid having a dielectric constant k, What is produced heat |

## What is the resistance ratioTwo conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1.3 mm. What is the resistance ratio RA/RB , measured between their ends |

## The drum''s rotation rate when the anchor hits waterA ship's anchor weighs 5000 N. Its cable passes over a roller of negligible mass and is wound around a hollow cylindrical drum of mass 380kg and radius 1.10m. The drum is mounted on a frictionless axle. The anchor is released and drops 16 m to water. |

## Find out the shear strain that results if force of magnitudeFind out the shear strain that results if a force of magnitude 5.00×105 is applied to the top square face of the plate, parallel to the side, and a force of equal magnitude is applied in the opposite direction to the bottom face of the plate as s.. |

## Calculate the electric flux through a rectangular planeAn electric field of intensity 3.4 kN/C is applied along the x-axis. compute the electric flux through a rectangular plane 0.350 m wide and 0.700 m long if the following conditions are true. |

## What is the temperature of the colder reservoirA Carnot-efficiency engine operating between a reservoir of liquid mercury at its melting point, What is the temperature of the colder reservoir |

## Write the lagrangian for the systemTwo pendula of equal length b and equal masses m connected by a spring of force constant k. Write the Lagrangian for the system, and use it to derive the equations of motion of the system |

## What is the second balls velocity at that pointA tennis ball gun launches tennis balls at 17.6 m/s . It's pointed straight up and launches one ball; 2.0 s later, it launches a second ball. I already found - At what time (after the first launch) are the two balls at the same height? = 2.8s What.. |

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