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 each of the following? (a) zero (b) 17 J (c) -18 J

Values appropriate for the earth''s magnetic field : Assume the magnitude of the magnetic field outside a sphere of radius R is B = B0(R/r)^2, where B0 is a constant. (a) Determine the total energy stored in the magnetic field outside the sphere. (b) Evaluate your result from part (a) for B0 = 5e-5 T a.. |

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 |

## Find its coefficient of linear expansionIf a material increases its length from 130 m to 132.60 m when its temperature is rasied 155 degrees C, what is its coefficient of linear expansion |

## A roller-coaster car movesA roller-coaster car moves 192 ft horizontally and then rises 144 ft at an angle of 30° above the horizontal. It then travels 144 ft at an angle of 40° downward. What is its displacement from its starting point? Use graphical techniques. (Do this on .. |

## What is the dose equivalentTwo freight cars, each with a mass of 2.9 x 10^5 kg, collide and stick together. One was initially moving at 2.80 m/s and the other was at rest. What is the final speed. |

## Calculate how far did the spring compressA block of mass 1.00kg slides along a horizontal table with speed V0 = 2.50m/s. How far did the spring compress when the block first momentary comes to rest |

## What is the electron current in the filamentThe current in a 100 watt lightbulb is 0.720A. The filament inside the bulb is 0.240mm in diameter. What is the electron current in the filament |

## Determine the magnitude of the damping constantA 50g hard-boiled egg oscillates on a spring with force constant 25N/m. A damping force F=-bv acts on the egg. Calculate the magnitude of the damping constant b |

## Find the compton shift at this angleX-rays having an energy of 250 keV undergo Compton scattering from a target. Find the Compton shift at this angle |

## What is the phase difference between the speakersTwo loudspeakers emit sound waves along the x-axis. What is the phase difference between the speakers |

## Find the tonis kinetic energyToni has a mass of 43 kg and is moving with a speed of 11.6 m/s. Assume that air resistance is negligible. Find Toni's kinetic energy |

## Calculate his break shot speedThe top of the pool table is 3.05 ft from the floor. The placement of the tape is such that 0 feet aligns to the edge of the table (as shown). The winner of the competition wants to know if he has broken the world record for the break shot of 32 mph... |

## What is the unknown wavelengthTwo parallel slits are illuminated by light composed of two wavelengths. One wavelength is ?A = 560nm. The other wavelength is ?B, What is the unknown wavelength |

## What is the downward force of the waterA 6.4g lead bullet traveling at 460m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in te.. |

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