A certain automobile engine delivers 2.24 104 W (30.0 hp) to its wheels when moving at a constant speed of 21.0 m/s ( 47 mi/h). What is the resistive force acting on the automobile at that speed?

Calculate the corresponding magnetic-energy density : The world's strongest magnet that can produce a sustained field is a 45-T device at the National High Magnetic Field Laboratory in Florida. What's the corresponding magnetic-energy density |

Determine how fast is it moving at the low point : An Earth satellite's elliptical orbit ranges from 300km to 840km altitude. At the high point, it's moving at 7.29km/s. How fast is it moving at the low point |

Define why tetrachloethylene is widely used for dry cleaning : Explain why tetrachloethylene is widely used for dry cleaning of fabrics and as a paint stripper.would you expect it to remove grease stains. And if so why |

Obtain what is the capacitance of the capacitor : A capacitor that has air between its plates is connected across a potential of 24.0 V and stores 48.0 uC of charge. Find the capacitance of the capacitor |

Resistive force acting on the automobile at that speed : A certain automobile engine delivers 2.24 104 W (30.0 hp) to its wheels when moving at a constant speed of 21.0 m/s ( 47 mi/h). What is the resistive force acting on the automobile at that speed? |

State a diagram reverse of a dehydration synthesis reaction : Diagram the reverse of a dehydration synthesis reaction. Where might you find this type of reaction occurring in the human body. Is it an exothermic or endothermic reaction |

What is the packing density : What is the packing density |

Calculate the angular acceleration of the steering wheel : A driver applies a horizontal force of 20 N (to the right) to the top of a steering wheel. Calculate the angular acceleration of the steering wheel about the central axis |

Internal energy in sledge and the surface due to friction : A sledge loaded with bricks has a total mass of 19.0 kg and is pulled at constant speed by a rope. The rope is inclined at 20.0° above the horizontal, and the sledge moves a distance of 20.0 m on a horizontal surface. The coefficient of kinetic fr.. |

## Find its velocity and angular displacement at a later timeA pendulum consists of a mass m suspended from a fixed point by means of a string of length b and is immersed in a viscous medium. Find its velocity and angular displacement at a later time |

## Find the final temperature in celsius of the air in the tireA driver measures her "cold" tire gauge pressure to be 2.05 105 Pa. The measurement is made before driving, Find the final temperature in Celsius of the air in the tires |

## Find the direction of this magnetic fieldA square wire loop 11.0 cm on each side carries a clockwise current of 16.0 A. Find the direction of this magnetic field |

## Determine the potential difference across the combinationThree resistors, of 8.0 %u03A9, 12 %u03A9, and 24 %u03A9, are in parallel, and a current of 20 A is drawn by the combination. Determine the potential difference across the combination |

## By what distance is the depth of the water loweredA sealed vertical cylinder of radius R and height h = 0.542 m is initially filled halfway with water, and the upper half is filled with air. By what distance is the depth of the water lowered |

## Compute the size of the acceleration of gravity on planetOn planet Zog, Mr. Spock measures that it takes 1.38 s for a mass of 0.30 kg to hit the ground when released from rest from a height of 2.85 m |

## What is angular speed of each tireA Dodge Caravan begins rolling from rest. Its tires undergo a constant of angular acceleration of 0.34 rad/s^2, What is angular speed of each tire after 3 revolutions |

## Determine power is expended in the heaterA lamp (R = 151 ohms ), an electric heater (R = 24 ohms ), and a fan (R = 50 ohms ) are connected in parallel across a 119 V line. What power is expended in the heater |

## Calculate the bullets speed as it left the barrelA rifle is aimed horizontally at a target 51m away. The bullet hits the target 2.0cm below the aim point. What was the bullet's speed as it left the barrel |

## What speed limit should be posted for the curveWhat speed limit should be posted for the curve. How long (in {rm ns}) does it take light incident vertical to the glass to pass through this 9.0 {rm cm}-thick sandwich. |

## Determine the radial velocity of the ringA ring is fitted loosely (with no friction) around a long, smooth rod of length L = 0.901 m. Determine the radial velocity of the ring as it reaches the moving end of the rod |

## Find out the separation between the two sourcesThe magnitude of F is 306 newtons and it points at 93o measured counter clockwise from the positive x-axis. What is the y component (in newtons) of F. |

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