A sailboat is traveling east at 5.0 m/s . A sudden gust of wind gives the boat an acceleration a = (0.80 m/s^2 , 40 degrees north of east). A)What is the boat's speed 4.5s later when the gust subsides? B)What is the boat's direction 4.5s later when the gust subsides?

What is the frequency of the sound : Two loudspeaker, 4.0 m apart and facing each other, play identical sounds of the same frequency. You stand halfway between them, where there is a max. of sound intensity. moving from this point toward one of the speakers, you encounter a min. of s.. |

Why well designed job structure important to organization : Compensation systems vary from company to company, but tend to be similar in design and overall cost within a specific industry. Why is a well-designed Job Structure important to an organization? |

Calculate the magnitude of their acceleration : A device known as Atwood\'s machine consists of two masses hanging from the ends of a vertical rope that passes over a pulley. Assume the rope and pulley are massless and there is no friction in the pulley. |

Question on t test for mean : A large university says the mean number of classroom hours per week for full-time faculty is more than 9. A random sample of the number of classroom hours for full-time faculty for one week is listed. At 945; = 0.05 , test the university's claim. |

What is the boat speed later when the gust subsides : A sailboat is traveling east at 5.0 m/s . A sudden gust of wind gives the boat an acceleration a = (0.80 m/s^2 , 40 degrees north of east). A)What is the boat's speed 4.5s later when the gust subsides? B)What is the boat's direction 4.5s later whe.. |

What minimum angle relative to the centerline perpendicular : Determine at what minimum angle relative to the centerline perpendicular to the doorway can someone outside the room hear no sound? |

Paired t test for blood pressure data : D. The Sunbeam Corporation makes a wide variety of appliances for the home. One product is a digital blood pressure gauge. For obvious reasons, the blood pressure readings made by the monitor need to be accurate. |

How many turns must there be in the high voltage end : A long distance power line is to carry 175 megawatts (1.25x10^8W) of alternating current power at distance of 15.0km at a peak voltage of 1.00MV and a frequency of 60Hz. |

How abolitionists crusade was success or failure : Do you believe Abolitionists' "crusade" was success or failure? In its own terms? In terms of larger historical events? Must Abolitionists be credited (or blamed) for the Civil War? Describe. |

## What net force is exerted on itA person with a mass of 103 kg is standing on a scale that reads weight in newtons inside of an elevator. If the elevator accelerates upward at 3.2 m/s2, what does the scale read. |

## What is the speed of the cannonball relative to the earthThe loaded cab of an elevator has a mass of 2.8 x 10^3 kg and moves 214 m up the shaft in 23 s at constant speed. At what average rate does the force from the cable do work on the cab. |

## What maximum height above the top of the buildingJohn, a 76-year-old grandfather, had been smoking heavily for 26 years and had a persistent cough. A biopsy of his lung tissue revealed considerable amounts of carbon particles. How might this happen considering the natural cleaning mechanism of the .. |

## What is the tension while rock is at the bottomA train is travelling up a 4.0 incline at the speed of 3.25 when the last car breaks free and begins to coast without friction. How long does it take for the last car to come to rest momentarily. |

## Locate the image of the lightbulbAn 18 g rifle bullet travelling 210 m/s buries itself in a 3.6 kg pendulum hanging on a 2.7 m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of pendulum's displacement. |

## What wavelength of light in the visible region transmittedA blacksmith heats a 1.9 kg iron horseshoe to 480 degree C, then plunges it into a bucket containing 10kg of water at 20 degree C. The specific heat of iron is 447 J/kgK. What is the final temperature. |

## Physics: mechanics about two curling stonesPhysics: Mechanics about two curling stones - calculate speed, resistive force Two curling stones A and B, each having a mass of 2 kg, are on an ice rink floor. A is stationary and 10 meters from a boundary wall, while B is sliding at right angles.. |

## How high above the ground is the highest pointWhen the skateboarder reaches the highest point, how far is this point horizontally from the end of the ramp. |

## Find out the moment of inertia of the wheelFind out the moment of inertia of the wheel. Initially the wheel rotates with an angular speed , causing the block to rise with a linear speed = 0.33 . |

## What is the asteroid''s escape speedA student shoots spitball at the wall from a height of 1.50 meters. The spitball has an initial horizontal velocity of Vxo, other than has no vertical velocity component. The spitball lands on the ground 8 meters from where it was shot. What is the V.. |

## Find 3-5 different types of vacuum pumpsF ind 3-5 different types of vacuum pumps - explain how they work - explain where you would use them - explain their operating pressure - etc... I don't have a clear idea for the vacuum pumps, for any 3-5 types of vacuum pumps. |

## At what height above the fixed charge does the bead restA bead with a mass of 0.050g and a charge of 20nC is free to slide on a vertical rod. At the base of the rod is a fixed 10nC charge. In equilibrium, at what height above the fixed charge does the bead rest? |

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