A garden hose of inner radius 0.5 cm carries water at 2.0 m/s. The nozzle at the end has radius 0.20 cm. How fast does the water move through the nozzle?

## Write down the equation that describes the forcesa person pulls on a 50Kg desk with a 200N force acting at 30 angle above the horizontal. the desk does not budge. draw a force diagram for the desk. Write down the equation that describes the forces which act in the x-direction. |

## Find the new rotation rate for the merry go round with childa merry go round (a disk I=1/2MR^2, M=500 kg, R = 1.5m) roatates at 2m/s. What is the new rotation rate for the merry go round with the child |

## What is the length of the longest poleA uniform pole is propped between the floor and the ceiling of a room. The height of the room is 8.00 ft, and the coefficient of static friction between the pole and the ceiling is 0.569. What is the length of the longest pole |

## What are the magnitudes and directions of the vertical forceA firefighter with a weight of 702 N slides down a vertical pole with an acceleration of 2.90 m/s2, directed downward. What are the magnitudes and directions (choose the positive direction up) of the vertical forces |

## Determine the fractional volume change in the spoonAfter a shipwreck, a solid steel spoon lies at the bottom of the ocean, 5.65 below the surface. determine the fractional volume change in the spoon |

## Find the satellites altitude above the surface of earthA satellite moves in a circular orbit around Earth at a speed of 4880 m/s. Find the satellite's altitude above the surface of Earth |

## What is the power produced during each pulseat least Each pulse produced by an argon-fluoride excimer laser used in PRK and LASIK ophthalmic surgery lasts only 10.0 ns but delivers an energy of 2.05 mJ. What is the power produced during each pulse |

## Calculate the magnitude of the magnetic force on the protonA proton moves at a speed of 995 m/s in a direction perpendicular to a magnetic field with a magnitude of 0.76 T |

## Find the greatest voltageThree resistors are connected in series across a battery, What is the greatest voltage that the battery can have without one of the resistors burning up |

## What is the electric field due to the protonThe electron in a hydrogen atom orbits the proton at a radius of 0.053 nm. What is the electric field due to the proton at the position of the electron |

## Question1two acrobats each of 600 kg launch themselvesquestion1two acrobats each of 60.0 kg launch themselves together from a swing holdings hands. their velocity at launch |

## What is the distance between nodesEq: D(x,t) = 2.4sin(0.60x)cos(42t) where x and D are in cm and t is in sec. what is the distance between nodes |

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