You whirl a 0.50 kg rock on a string over your head. It takes 1.0 second for the rock to make a complete revolution. The string is 1.5 m long. What is the velocity of the rock, What is the centripetal acceleration of the rock, What is the tension in the string?

Charge on the capacitor and the current in the circuit : An LC circuit like the one in Figure CQ32.8 contains an 82.0 mH inductor and a 17.0 micro Farad capacitor that initially carries a 180 micro Coulomb charge. The switch is open for t |

Determine the radius of curvature of p of the turn : An airplane, traveling at a constant speed of 50 m/s, is executing a horizontal turn. if the plane is banked at theta = degrees, when the pilot experiences only a normal force on the seat of the plane, determine the radius of curvature of p of the tu.. |

Power is required of force motor exerts on cab via cable : A fully loaded, slow-moving freight elevator has a cab with a total mass of 1150 kg, which is required to travel upward 49 m in 3.1 min, starting and ending at rest. The elevator's counterweight has a mass of only 1025 kg, and so the elevator motor m.. |

Other forces also act on the particle : Force on a Particle A force F = (4.0 N)i + (c N)j acts on a particle as the particle goes through displacement d = (4.0 m)i - (2.0 m)j. (Other forces also act on the particle.) What is the value of c if the work done on the particle by force F is eac.. |

What is the tension in the string : You whirl a 0.50 kg rock on a string over your head. It takes 1.0 second for the rock to make a complete revolution. The string is 1.5 m long. What is the velocity of the rock, What is the centripetal acceleration of the rock, What is the tension in .. |

What work is done on the crate by the workers force : To pull a 30 kg crate across a horizontal frictionless floor, a worker applies a force of 190 N, directed 20° above the horizontal. The crate moves 3.0 m. (a) What work is done on the crate by the worker's force? (b) What work is done on the crate by.. |

Will promptly rate any acceptable response as a life saver : Write a brief description (1-3 paragraphs) of the Saint Venant equations (words only, no equations) comparing them to the Navier-Stokes equations, emphasizing the ASSUMPTIONS on which they are based. |

The description should include a brief history : Write a brief (No more than a few paragraphs plus the equations themselves on a) description of the three-dimensional unsteady Navier-Stokes equations as applied to water. The description should include a brief history |

Determine the dynamic viscosity of glycerin at 85 degrees : Two parallel plates, one moving at 4m/s and the other fixed, are seperated by a 5mm thick layer of oil of specific gravity 0.80 and kinematic viscocity 1.25 X 10^-4 m2/s. What is the average shear stress in the oil? |

## Determine what is m to the bottom of a long thin wireWhen mass M is tied to the bottom of a long, thin wire suspended from the ceiling, the wire's second-harmonic frequency is 150Hz . Adding an additional 1.5kg to the hanging mass increases the second-harmonic frequency to 270Hz. |

## What is its power in carbon tetrachlorideA crown glass lens (n = 1.52) has an optical power of 4.0 d in air. What is its power in carbon tetrachloride (n = 1.461) |

## What is the position of the carAt time t1 = 16 s, a car with mass 1100 kg is located at m and has momentum kg · m/s. what is the position of the car |

## What frequency will you observeA fire truck has a siren with that generates a sound with a frequency of 8562 Hz. what frequency will you observe |

## Determine the smallest thickness of soap filmThere is air on both sides of a soap film. What is the smallest thickness that the soap film (n=1.42) can have and appear bright if illuminated with 431?nm light |

## What is the average angular acceleration of the wheelA point on the rim of a 0.70 m diameter grinding wheel changes speed uniformly from 12 m/s to 26 m/s in 7.5 s. What is the average angular acceleration of the wheel during this interval |

## How many fringes are there for the same slide configurationTwo microscope slides are stuck together and touching on one side where n=1.2 and wedged open on the other where n=1.5. These slides sit in air. How many fringes are there for the same slide configuration when it sits in water rather than air |

## An electrically charged particle accelerates uniformly roman electrically charged particle accelerates uniformly rom rest to speed v while traveling a distance x. ashow that the |

## Find what vertical height will he attainA basketball player achieves a hang time of 0.987 s in dunking the ball. What vertical height will he attain |

## Determine the half-life of this isotopeThe isotope 88224Ra of radium has a decay constant of 1.19×10-6 per second. What is the half-life (in days) of this isotope |

## What would the blackbody spectrum of the tube look likeWhy is it that a grow-lamp tube has an apparent color temperature of 5500 K and is cool to the touch. However, the much dimmer tungsten lamp burns on touch? What would the blackbody spectrum of the tube look like? |

## What must be the value of the capacitanceYou want to store 10^-5 C of charge on a capacitor, but you only have a 100 V voltage source with which to charge it. What must be the value of the capacitance |

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