The water in a deep underground well is used as the cold reservoir of a Carnot heat pump that maintains the temperature of a house at 299 K. To deposit 14320 J of heat in the house, the heat pump requires 804 J of work. Determine the temperature of the well water. Give answer in K. Do not enter unit.

Find the frictional force exerted by the road : A car weighing 1.09 104 N is at rest on a 30.5° incline. Each wheel bears an equal part of the car's weight. Find the frictional force exerted by the road on each wheel |

What distance h does the mercury rise in the left arm : Mercury is poured into a U-tube as shown in Figure (a). The left arm of the tube has cross-sectional area A1 of 11.0 cm2, and the right arm has a cross-sectional area A2 of 4.60 cm2. |

A cylindrical aluminum rod with an initial length : A cylindrical aluminum rod, with an initial length of 0.8200 m and radius 1200.0 µm, is clamped in place at one end and then stretched by a machine pulling parallel to its length at its other end. Assuming that the rod's density (mass per unit volume.. |

Difference between the angular speeds of wheels on the left : The differential gear of a car axle allows the wheel on the left side of a car to rotate at a different angular speed than the wheel on the right side. A car is driving at a constant speed around a circular track on level ground, completing each l.. |

Calculate the temperature of the well water : The water in a deep underground well is used as the cold reservoir of a Carnot heat pump that maintains the temperature of a house at 299 K. Determine the temperature of the well water |

What latitude is tangential speed-person living in ecuador : The earth has a radius of 6.38 x 106 m and turns on its axis once every 23.9 h. (a) What is the tangential speed (in m/s) of a person living in Ecuador, a country that lies on the equator? (b) At what latitude (i.e., the angle in the figure, in degre.. |

Evaluate the surface area of the filament : The filament of a light bulb has a temperature of 2.85E+3 °C and radiates 40 watts of power. The emissivity of the filament is 0.344. Find the surface area of the filament |

Estimate where is the image formed : An object 3.25 cm high is placed 18.7 cm in front of a convex mirror with radius of curvature of 8.35 cm. Where is the image formed |

What is the x-component of the net torque on the disk : A uniform disk with mass m = 9.09 kg and radius R = 1.37 m lies in the x-y plane and centered at the origin. Three forces act in the +y-direction on the disk: 1) a force 317 N at the edge of the disk on the +x-axis, 2) a force 317 N at the edge of.. |

## Q1 a rock is fixed to a 3m long spring rock is revolving atq1. a rock is fixed to a 3m long spring. rock is revolving at 2 circles per sec. what is the frequency period angular |

## The light isotope of lithiumThe light isotope of lithium, 5Li is unstable and breaks up spontaneously into a proton (hydrogen nucleus) and an particle (helium nuclus). In this process, a total energy of 2.75 10-13 J is released, appearing as the kinetic energy of the two rea.. |

## Determine the absolute pressure in the tankAn open-tube mercury manometer is used to measure the pressure in an oxygen tank. The atmospheric pressure is 1020mbar .1 bar = 105 N/m2. Determine the absolute pressure (in Pa) in the tank |

## Find the average current that this cell phone drawsThe battery for certain cell phone is rated at 3.70V. According to the manufacturer it can produce 3.15 X 10^4 J of electrical energy, find the average current that this cell phone draws when turned on |

## What is the final speed of the other pieceA railroad car containing explosive material is initially traveling south at a speed of 4.5 m/s on level ground. The total mass of the car plus explosives is 2.5 104 kg. what is the final speed of the other piece |

## What is the submarines accelerationA 1460-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16300 N on the submarine, as well as a downward resistive force of 1090 N. What is the submarine's acceleration? |

## How much time elapses between two waves hitting the shipLow-frequency vertical oscillations are one possible cause of motion sickness, with 0.40 having the strongest effect. How much time elapses between two waves hitting the ship |

## What do you list for the focal lengthYouâ€TMre writing specifications for a new line of magnifying glasses that have double-convex lenses with equal 22.0cm curvature radii, What do you list for the focal length |

## What is the sign of the charge on the electroscopewhat is the sign of the charge on the electroscope that you charged by induction, What evidence do you have to support your answer |

## What is the engines efficiencyA heat that goes into a particular carnot engine is 4.72 times greater than the work it performs. What is the engines efficiency |

## How much work does the father doA father pulls his young daughter on a sled with a constant velocity on a level surface a distance of 10 m. how much work does the father do |

## How does size effect fluorescence from quantum dotsHow does size effect fluorescence or emission from quantum dots and what you know about single quantum dot experiments for Nitride based quantum dot materials - as outlined in the lectures |

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd