A student bikes to school by traveling first = 0.800 miles north, then = 0.600 miles west, and finally = 0.200 miles south.

If a bird were to start out from the origin (where the student starts) and fly directly (in a straight line) to the school, what distance would the bird cover? Express your answer in miles.

How many moles of hno3 are present : A nitric acid solution containing 71% HNO3 (by mass) has a density of 1.42g/mL. how many moles of HNO3 are present in 1.00L of this solution. |

Explain how much work does he do on the desk : He pushes just hard enough to get the desk moving and continues pushing with that force for 5.00 s. Explain how much work does he do on the desk? |

Ccompute t-test comparing males and females heights : Ccompute a t-test comparing males' and females' heights. You must determine which type of t-test to compute. Write a short interpretation of the results. |

Calculate g and k in a growth experiment : Calculate g and k in a growth experiment in which a medium was inoculated with 4.7 x 104 E. coli cells, and following a 1-hour lag, grew exponentially for 5 hours, after which the population was 5.4 x 107 cells/ml. |

Illustrate what distance would the bird cover : If a bird were to start out from the origin (where the student starts) and fly directly (in a straight line) to the school, illustrate what distance would the bird cover? Express your answer in miles. |

Find the probability that two or more failures occur : Failures per day for a computer network follow the Poisson distribution with mean 0.3. What is the probability that two or more failures occur in |

Factorization of multivariable polynomials : Factor out the greatest common factor from the expression-Completely factor the expression |

What level use to represent tenth percentile : Assume the cholesterol levels of adult American women are normally distributed with a mean of 190 mg/dL and a standard deviation of 26 mg/dL. What level would represent the 10th percentile? |

Estimate the number of tons of so2 produced : The annual production of zinc sulfide (ZnS) is 3.5 10^4 tons. Estimate the number of tons of SO2 produced by roasting it to extract zinc metal. |

## Determine the average net force exertedA motorcyclist is able to ride on the vertical wall of a bowl- shaped track . his weight is counteracted by the friction of the wall on the tires. what force increase or decrease if he rides faster. |

## What is the average force his feet exert on the groundTreating our rigid legged friend as a particle, what is the average force his feet exert on the ground while he slows down. |

## Required speed to push the boxYou & your friend peter are putting new shingles on a roof pitched at 25 degrees. You are sitting on the very top of the roof when peter, who is at the edge of the roof directly below you, 5.1m away, asks you for the box of nails. Rather than carr.. |

## What is least amount of work required by an external forceWhat is least amount of work required by an external force |

## What will be the final temperature of the mixtureAn archer pulls her bow string back 0.40m by exerting a force that increases uniformly from zero to 25 N. How much work does the archer do in pulling back the bow. |

## How much chromium will remain after 1 yearA gymnast of mass 69.0 kg hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value 9.81 for the acceleration of gravity. |

## What is the net force exerted on the skierWhat is the net force exerted on the skier, assuming his acceleration is constant. |

## What angular speed must such a cylinder haveA 42.00kg pole vaulter running at 13 m/s vaults over the bar. Her speed when she is above the bar is 1.3 m/s. Avoid air resistance, in addition to any energy absorbed by the pole, and determine her altitude as she crosses the bar. |

## Description of physics mechanics forceDescription of Physics - Mechanics - Force, A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 200 N and is 3.00 m |

## Determine the magnitude of the friction forceDetermine the magnitude of the friction force. 5.80 g lead bullet traveling at 460 m/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 tra.. |

## What is the magnitude and acceleration of the trainYou swing a 2.60 kg stone in a circle, using the full length of a thin 60.0 cm rope. At what speed must you swing it so its acceleration will be 9.8 m/s^2. |

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