Calculate the total angular momentum of our Moon relative to the center of the Earth. You may assume that the Moon is a uniform sphere and that its orbit is circular. Be sure to include all of the main aspects of the Moon's motion. You may ignore the Sun and the other planets.

What is the period of this pendulum : A pendulum hangs from an inclined wall. Suppose that this pendulum is released at an initial angle of 10 degrees and it bounces off the wall elastically when it reaches an angle of -5 degrees |

Compute the magnitude of the external magnetic field : A horizontal wire of length 0.43 m, carrying a current of 6.9 A, is placed in a uniform external magnetic field. Determine the magnitude of the external magnetic field |

Estimate the mass of the particle : A charged particle enters a uniform magnetic field and follows the circular path shown in the drawing. Determine the mass of the particle |

Explain why is the backpack helpful : A woman who is late in her pregnancy often leans backwards slightly when getting out of chairs and even while walking. Why is the backpack helpful |

Calculate the total angular momentum of our moon : Calculate the total angular momentum of our Moon relative to the center of the Earth. You may assume that the Moon is a uniform sphere |

What is the magnitude of the force absorbed by the athlete : When a rifle is fired, the person firing the rifle absorbs the recoil. Consider an Olympic biathlete firing a competition rifle. What is the magnitude of the force absorbed by the athlete |

Calculate the optimum production plan : Calculate the optimum production plan the firm should follow next year given the above constraints. |

Explain the differences in the four methods of costing : Explain the differences in the four methods of costing you have used in (a.i) and (a.ii) and in which situation you would use them. |

What is its activity after given days : A patient with thyroid problems has radioactive iodine (123I53) deposited in his thyroid gland. If the 123I53 has an initial activity of 2.5 MBq, what is its activity after 24 days |

## Find the radius of its circular pathAn ?-particle has a charge of +2e and a mass of 6.64 × 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.75 × 106 V, what are the radius of its circular path |

## Find the shortest wavelength of x-raysIn the typical X-ray lamp. The electrons are accelearated in the potential difference of 10000V before hitting the water cooled electrode. Find the shortest wavelength of X-rays |

## Where does your friends ball landYou and a friend are sitting out on the balcony of your apartment which is 24 m above the ground. Where does your friend's ball land |

## Find the radius of the holeA tank, full of liquid of depth h, and top surface area A, is at rest on a frictionless table. Find the radius of the hole in terms of the h, k, ?, x, and g the acceleration of gravity |

## Where is the systems center of gravityA ball with radius r1 and mass m1 is attached by a rod of length L to a second ball with radius r2 and mass m2. Where is the system's center of gravity |

## Determine the heat transferred per pound massFor the process where wk(closedsystem)=778 ft*lbf/lbm and ?u= 0.75 Btu/lbm, determine the heat transferred per pound mass |

## Find position of the particle at the momentsuppose that the gold ions carry one elementary unit of positive charge. |

## What is the magnitude of the charge on each ballTwo equally charged insulating balls each weigh 0.50 g and hang from a common point by identical threads 30 cm long, What is the magnitude of the charge on each ball |

## What is the force of the track on the carA roller coaster car has a mass of 500 kg loaded with passengers. The car passes over a hill of radius 15m, What is the force of the track on the car at the top of the hill |

## What is the peak wavelength of the distributionThe sun can be considered an ideal blackbody radiator at a temperature of 5900K, What is the peak wavelength of the distribution |

## The necessary metabolic powerWhat is the necessary metabolic power? Hint: You can model her power needs as the sum of the power to walk on level ground plus the power needed to raise her body by the appropriate amount. Express your answer to two significant figures and include t.. |

## What colour emerges from coated spotlightA spotlight is coated so that it won't transmit magenta light from its white-hot filament. What colour emerges from coated spotlight. |

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