A Carnot engine uses a hot reservoir consisting of a large amount of boiling water and a cold reservoir consisting of a large tub of ice and water. When 6283 J of heat is put into the engine and the engine produces work, how many kilograms of ice in the tub are melted due to the heat delivered to the cold reservoir? Do not enter unit.

Velocities of each ball if collision is perfectly inelastic : Ball 1, with a mass of 150g and traveling at 10.0m/s , collides head on with ball 2, which has a mass of 300g and is initially at rest. What are the final velocities of each ball if the collision is perfectly elastic? What are the final velocities of.. |

How many gallons of water have the same mass as this bar : A bar of gold measures 0.268 m x 0.0204 m x 0.0583 m. How many gallons of water have the same mass as this bar |

Explain what mass of gold is produced of current : What mass of gold is produced when 7.00 A of current are passed through a gold solution for 49.0 min |

Explain what is the ratio of the number of molecules : What is the ratio of the number of molecules having twice the most probable speed to the number having the most probable speed |

Calculate how many kilograms of ice in the tub : A Carnot engine uses a hot reservoir consisting of a large amount of boiling water and a cold reservoir consisting of a large tub of ice and water. how many kilograms of ice in the tub |

Coefficient of kinetic friction between the block and table : A 0.460 kg wood block is firmly attached to a very light horizontal spring (k = 160 N/m) as shown in Fig. 6-40. It is noted that the block-spring system, when compressed 5.0 cm and released, stretches out 2.3 cm beyond the equilibrium position before.. |

What is the ratio of the final kinetic energy of the system : Two objects moving with a speed v travel in opposite directions in a straight line. The objects stick together when they collide, and move with a speed of after the collision. What is the ratio of the final kinetic energy of the system to the initial.. |

Find the change in mechanical energy of the car-truck system : A 1 170.0 kg car traveling initially with a speed of 25.000 m/s in an easterly direction crashes into the back of a 9 800.0 kg truck moving in the same direction at 20.000 m/s. What is the change in mechanical energy of the car-truck system |

Wheel rotating with a constant angular acceleration turns : A wheel rotating with a constant angular acceleration turns through 24 revolutions during a 6 s time interval. Its angular velocity at the end of this interval is 18 rad/s. What is the angular acceleration of the wheel? Note that the initial angular .. |

## Find the direction of the minimum magnetic fieldA wire has a mass per unit length of 0.500 g/cm. what is the magnitude and direction of the minimum magnetic field |

## Find the maximum height reached for the coinA coin is dropped from a hot-air balloon that is 295 m above the ground and rising at 8.5 m/s upward. Find the maximum height reached for the coin in meters |

## How many liters of gasoline does engine consume each hourA gasoline engine with an efficiency of 0.4 generates 1800 W of power. how many liters of gasoline does the engine consume each hour |

## How fast must diana through the appleWhile eating lunch with friends Diana spots her boyfriend having lunch, and having a good time with, How fast must Diana through the apple so that it hits her boyfriend |

## Estimate the angular velocity of the diskA compact disk on a CD player rotates clockwise. The disk completes one revolution in 0.234 s, what is the angular velocity of the disk |

## What is the total distance it travels during the intervalAn object moves with constant acceleration 5.00 m/s2 and over a time interval reaches a final velocity of 11.2 m/s. (a) If its initial velocity is 5.6 m/s, what is its displacement during the time interval? |

## Compute the angular speed of the wheelA 1.5 kg bicycle wheel with a radius of 0.27 m turns at a constant angular speed of 28 rad/s when a(n) 0.33 kg reflector is at a distance of 0.14 m from the axle. What is the angular speed of the wheel |

## Determine the direction of the rockets accelerationA rocket of mass 4.42 × 105 kg is in flight near earth's surface. Its thrust is directed at an angle of 65.3 ° above the horizontal and has a magnitude of 8.04 × 106 N. determine the direction of the rockets acceleration |

## Q1 a box is sliding up an incline that makes an angle ofq1. a box is sliding up an incline that makes an angle of 27.7 deg regarding the horizontal. the coefficient of kinetic |

## How much heat per second is being removed from the unitA refrigerator has a surface area of 6.04 m2. It is lined with 0.0885-m-thick insulation whose thermal conductivity is 0.0300 J/(s m C °). How much heat per second is being removed from the unit |

## The magnitude of the force exerted by a springThe magnitude of the force exerted by a spring is given by F = kx where x is the amount of stretching/compressing of the spring. What must be the units associated with k expressed in terms of fundamental SI units? |

## Determine how far is the mirror from the faceA concave shaving mirror has a radius of curvature of +39.9 cm. It is positioned so that the (upright) image of a man's face is 1.54 times the size of the face. How far is the mirror from the face |

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