Q. Assuming that they have same internal energy, which will have a higher temperature: a metal knife in thermal equilibrim with a hot griddle or a 1kg block of ice at -25C or seven 12g ice cubes at -25C

Q. A 64-cm diameter wheel accelerates uniformly about its center from 130 rpm to 280 rpm in 4s. Determine the angular acceleration and the radial and tangential components of the linear acceleration of a point on the edge of the wheel 2s after it has started accelerating.

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Determine the angular acceleration and the radial : suppose that they have same internal energy, which will have a higher temperature: a metal knife in thermal equilibrim with a hot griddle or a 1kg block of ice at -25C or seven 12g ice cubes at -25C. |

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Determining portfolio weights : Determine the portfolio weights for a portfolio that has 45 shares of Stock A that sell for $40 per share and 30 shares of stock B that sell for $20 per share? |

Theorists who do not believe that unconscious mind exists : There are some theorists who do not believe that the unconscious mind exists, therefore making it even more difficult to support. |

## What is the displacement of the car from the point of originAn airplane starting from airport A flies 304 km east, then 364 km at 35.5° west of north, and then 150 km north to arrive at last at airport B. |

## What is the potential difference across the capacitorA 220 block on a 52 long string swings in a circle on a horizontal, frictionless table at 95.What is the speed of the block? What is the speed of the block. |

## Suppose the surface is frictionlessA bumper car with mass m1 = 113 kg is moving to the right with a velocity of v1 = 4 m/s. A second bumper car with mass m2 = 94 kg is moving to left with a velocity of v2 = -3.2 m/s. |

## Calculate the dielectric constant of the materialWhat speed must she have at point 3, so that the normal force at the top has the same magnitude as it did at the bottom. |

## What is total distance the bird travels by trains collideWhat is total distance the bird travels by trains collide |

## Electrons are shot between plates from the left edgeThe first electron has the initial velocity v0 that makes an angle θ=45° with the lower plate and has a magnitude of 7.53×106 m/s. would this electron strike one of the plates? If so, what is the horizontal distance from the left edge? If not enter t.. |

## What is water speed along the boat during the vertical crossWhat is water speed along the boat during the vertical cross |

## Write down the system of disparity equationsWhat is the minimal mass of helium (density 0.18) needed to lift a balloon carrying two people in a basket, if the total mass of people, basket, and balloon (but not gas) is 320. |

## What is the maximum acceleration beltAn 11.00 kg crate is placed on a horizontal conveyor belt. The materials are such that static friction = 0.47 and kinetic friction = 0.24. |

## Find magnitudes of the net magnetic fieldsThe drawing shows one horizontal wire with the current going up and one vertical wire with the current going to the right. Point A is dH to the right and dV above the intersection. Point B is dH to the left and dV below the intersection. |

## What is the outward force on the sidewallCo-60 is often used as a radiation source in medicine. It has a half-life of 5.25 years. How long, after a new sample is delivered, would the activity have decreased to about 1/3 its original value. |

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