A 4,000-kg satellite is traveling in a circular orbit 200 km above the surface of the Earth. A 3.00-gram marble is dropped inside the satellite. What is the force of gravity on the marble as viewed by the observers on the Earth? (Me = 5.98 1024 kg, Re = 6.37 106 m, G = 6.67 10-11 N • m2/kg2)

## How long will it take to empty the poolA pump is used to empty a 4800 L. wading pool. The water exits the 3.0-cm-diameter hose at a speed of 2.0 m/s |

## Determine the true weight of the satelliteA satellite has a mass of 5825 kg and is in a circular orbit 4.34 × 105 m above the surface of a planet. What would be the true weight of the satellite if it were at rest on the planet's surface |

## Determine the coefficient of linear expansionIf a material increases it's length from 160m to to 163.20m when it's temperature is raised 160 degrees C, determine the coefficient of linear expansion |

## Determine the final speed of blockA block of ice with mass 2.00 kg slides0.685m down an inclined plane that slopes downward at an angle of 38.0?, If the block of ice starts from rest, what is its final speed |

## What is one experiment you could to show light is a particleWhat is one experiment you could to show light is a particle. Clearly delineate how the results show it is a particle, and do not fit with the expectations of the experiment if it was a wave. |

## What is the electron current in the wireWhen a current flows in an aluminum wire of diameter 3.29 mm, the drift speed of the conduction electrons is 2.85 × 10-4 m/s. What is the electron current in the wire |

## When the small-mass object is the one moving initiallyOne object is at rest, and another is moving. The two collide in a one-dimensional, completely inelastic collision. when the small-mass object is the one moving initially |

## How long does it take the cars to meetTwo cars are at rest, facing each other, and 200 meters apart - how long does it take the cars to meet? |

## Determine the speed of sound in heliumAt what temperature is the speed of sound in helium (ideal gas, = 1.67, atomic mass = 4.003 u) the same as its speed in oxygen gas at 4.78 oC |

## Explain the speed of the test chargePoint A is located 0.259 m away from a charge of -2.11 x 10-9 C. Point B is located 0.487 m away from the charge. What is the electric potential difference VB - VA between these two points. |

## Compute the electron drift speedThe current in a 1.70mm Ã? 1.70mm square aluminum wire is 1.80A. compute the electron drift speed |

## Calculate how much energy absorbsA patient undergoing radiation therapy for cancer receives a 230-rad dose of radiation. Assuming the cancerous growth has a mass of 0.10kg , calculate how much energy it absorbs |

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