Q. A m1 = 16g object and an m2 = 11.5 kg object are suspended, joined by a cord that passes over a pulley with a radius of 10.0 cm and a mass of 3.00 kg. The cord has a negligible mass and does not slip on the pulley. The pulley rotates on its axis without friction. The objects start from rest 3 m apart. Treating the pulley as a uniform disk, determine the speeds of the two objects as they pass each other.

What is the tension in the string at the top of the circle : A cylinder is rolling along the ground without the slipping at 7m/s. It comes to a hill and begins going up. Assume no losses to friction, how high vertically would it go before it stops? |

Point estimators-trimmed mean : A random sample of 20 vice presidents of Fortune 500 firms is taken. The amount each vice president paid in federal taxes as a percentage of gross income is determined. |

Illustrate with one organization you believe is employing : Illustrate with one organization you believe is employing a market niche strategy that is not covered in our text. Illustrate what are some of the pros also cons of targeting a market niche? Explain your rationale |

Average pulse rate of adults : A null hypothesis is that the average pulse rate of adults is 70. For a sample of 64 adults, the average pulse rate is 71.8. A significance test is done and the p-value is 0.02. What is the most appropriate conclusion based on α of 0.05? |

Determine the speeds of the two objects : Treating the pulley as a uniform disk, determine the speeds of the two objects as they pass each other. |

Determining expected market return : Determine the expected market return on $ 20,000 if the expected return on asset is 20%, its beta is 1.5, and the risk free rate is 5 percent? |

Agents of progressive neurodegenerative disorders : Prions are causative agents of progressive neurodegenerative disorders that affect both humans and animals. Like viruses, prions are acellular, |

What is the average annual decline rate : In an enterprise the unit cost of the product is 200 dollars in 2000, 160 dollars in 2005, please calculate the average annual decline rate of unit cost during the period from 2000 to 2005. If in 2010 the unit cost of the product down to 112 dolla.. |

Explain the friction force that acts on the bear : What is the friction force that acts on the bear? |

## How far is the spring compressed to the nearest thousandthFor the motion from the initial free until the piece of wood comes to rest, what is the total amount of work completed by friction. |

## What was the average acceleration throughout the tripWhat was the average acceleration throughout the trip |

## What is the total mass of the reagentsWhat is the total mass of the reagents used in the combustion throughout the 30 days . The ball makes 17 oscillations in 16 seconds. What is it the mass of the ball. |

## The magnitude of the angular momentum of the systemA father (m = 70 kg) and son (m = 45 kg) are standing facing each other on a frozen pond. The son pushes on the father and finds himself moving backward at 3 m/s after they have separated. How fast will the father be moving. |

## What is the initial velocity of projectileA projectile is fired at such an angle from the horizontal that vertical component of its velocity is 49 m/s. The horizontal component of its velocity is 61 m/s. |

## Find the angle between the refracted blue and red raysA car crashes into a wall at 25 m/s and its contents are brought to rest in 0.1s. display that the average force exerted on a 75-kg test dummy by the seat belt is more than 18,000 N. |

## What is the magnitude of an average acceleration of the ballWhat is the magnitude of an average acceleration of the ball |

## What focal length is necessary for the lensAn electron librated from a hot filament cathode is attracted by an anode with a potential of 1200V positive with respect to the filament. Compute the speed of the electron when it strikes anode. |

## What is the breaking strengthCalculate the energy associated with the magnetic field of a 191 turn solenoid in which a current of 2.44. A produces a magnetic flux of 3.74 x 10-4 T • m2 in each turn. |

## Use newtons first and second laws of motionA rock with mass m = 3.70 kg falls from rest in a viscous medium. The rock is acted on by a net constant downward force of F = 19.3 N and by a fluid resistance force. |

## How far would she travel before the light turns redA person driving her car at 53.0 km/h approaches an intersection while the traffic light turns yellow. She knows that the yellow light lasts only 2s before turning to red. |

## How fast something is moving and in direction it is movingassume that you are swimming in a river while a friend watches from the shore. In calm water, you swim at a speed of 1.25 rm m/s . The river has a current that runs at a speed of 1.00 rm m/s. |

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