Q. A winch is used to drag a 440 crate up a ramp at a constant speed of 72 by means of a rope that pulls parallel to the surface of the ramp. The rope slopes upward at 27 above the horizontal, and the coefficient of kinetic friction between the ramp and the crate is 0.320.

Q. Julie drives 100 mi to her Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 25mph and the other half at 80. On her return trip, she drives half time at 25mph and half the time at 80 mph.

How much does the spring stretch : Two long parallel wires each carry a current of 5. A directed to the east. The two wires are separated by 8 cm. What is the magnitude of the magnetic field at a point that is 5.0 cm from each of the wires. |

Examination of differences among revenue, costs & cash flows : Match the following finance terms with the solutions below. If none fit, indicate it. |

Sketching lan with operation over a distance : You have been asked to sketch a LAN with operation over a distance of about 100m. |

What is the light intensity on a wall : A mass of 1.61kg stretches a vertical spring 0.31m. If the spring is stretched an additional 0.132m and released, how long does it take to reach (new) equilibrium position again. |

Find the coefficient of kinetic friction between the ramp : Julie drives 100 mi to her Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 25mph and the other half at 80. On her return trip, she drives half time at 25mph and half the time at 80 mph. |

Each of the five nations that have been asked to bid : Each of the five nations that have been asked to bid for the broadcast rights for the London 2016 Games. Prepare to negotiate prices and other organizational details. |

What was the resulting sound intensity level : Assume a neuron in the brain carries a current of. Treating the neuron as a straight wire, what is the magnetic field it produces at a distance of 7.50. |

Compute payback period, return on average investment and npv : Micro Tech is considering 2 option proposals for modernizing its production facilities. To provide a basis for selection cost accounting dept has developed the following information; |

Designing flowchart for individual invoices from credit sale : Design document flowchart to depict this situation. Individual invoices from credit sales must be temporarily stored. |

## The potential of an upper plate of a parallel plateAn electron is shot upward directly perpendicular to the lower plate of a parallel plate capacitor. Its initial velocity is 3.0 x 104 m/s. What must be the potential of the upper plate if the electron stops just before reaching it? The lower plate.. |

## What is the velocity of toyota prius relative to vw passatA converging lens (f = 13.0 cm) is held 6.20 cm in front of a newspaper, the print size of which has a height of 2.20mm. Find (a) image distance (in cm) and (b) height (in mm) of the magnified print. |

## What is the safe''s coefficient of kinetic friction the floorA single-turn circular loop of radius 8.00 cm is to produce a field at its center that will just cancel the earth's field of magnitude 0.7G directed at 70 below the horizontal north direction. Find out the current in the loop. |

## What is angular velocity of the cockroach-disk systemWhat is angular velocity of the cockroach-disk system |

## What is the net electric flux through the spherical surfaceWhat is the net electric flux through the spherical surface |

## The speed of the block when it has movedA loudspeaker on a tall pole broadcasts sound waves equally in all directions. If the sound output is 7.0 W, at what distance from loudspeaker is the sound intensity level 85.7 dB. |

## Which ball can be stopped in the least timeSuppose a ping-pong ball and a bowling ball are rolling toward you with the same momentum, and you exert the same average force in stopping each of them. |

## What is the rock''s velocity as it hits the bottom of holeA 1560kg car is travelling with a speed of 14.20 m/s. What is the magnitude of the horizontal net force that is required to bring car to a halt in a distance of 52.10 m. |

## Net force that acts on the box during the collisionA 41-kg box is thrown at a speed of 220 m/s & is brought to a halt in a collision that lasts for a time of 6.5 m/s. Find the magnitude of the average net force that acts on the box during the collision. |

## Polymer diffusion and calibration of an optical tweezerPolymer diffusion and Calibration of an optical tweezer |

## What is canoes speed just after she jumpsA potter's wheel having a radius 0.55m and a moment of inertia 12.5 kg·m2 is rotating freely at 55rev/min. The potter can stop the wheel in 6s by pressing a wet rag against the rim and exerting a radially inward force of 68 N. |

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