Emilie's potter's wheel rotates with a constant 2.90 rad/s^2 angular acceleration. After 3.70 s, the wheel has rotated through an angle of 75.0 rad. What was the angular velocity of the wheel at the beginning of the 3.70 s interval?

What was the average power output of this magnetar : On December 27, 2004, astronomers observed the greatest flash of light ever recorded from outside the solar system. what was the average power output (in terms of P) of this magnetar |

Determine the direction of the net force on the car : A car with a mass of 1300 kg decreases its forward speed from 22 m/s to 14 m/s in 4.0 seconds. What are the magnitude and direction of the net force on the car |

Find the normal force between the ball and the wall : a spherical ball hanging on a string on a smooth, frictionless wall. The mass of the ball is m, its radius is R, and the length of the spring is L. Find the normal force between the ball and the wall |

Find how long does it take to stop after power is turned off : When the power is turned off on a turntable spinning at 82.0 rpm, you find that it takes 10.8 revolutions for it to stop while slowing down at a uniform rate. How long does it take to stop after the power is turned off |

Determine what was the angular velocity of the wheel : Emilie's potter's wheel rotates with a constant 2.90 rad/s^2 angular acceleration. What was the angular velocity of the wheel at the beginning of the 3.70 s interval |

Calculate the magnitude of impulse exerted on the clay ball : A superball and a clay ball are droped from a height of 10 cm above a table top. They have the same mass 0.05 kg and the same size. The superball bounces off the table and rises back to the same height. The clay ball sticks to the table. For the clay.. |

Final speed of the box after sliding across rough section : A box of unknown mass is sliding with an initial speed vi = 5.90 m/s across a horizontal frictionless warehouse floor when it encounters a rough section of flooring d = 2.10 m long. The coefficient of kinetic friction between the rough section of .. |

Calculate the density of the wood and oil : A block of wood with volume V floats in water with 0.70V submerged. In oil the block floats with 0.85V of its volume submerged. calculate the density of the wood and oil |

Calculate the maximum electrical power the house can consume : A modern house is wired for 120.0 V, and the current is limited by circuit breakers to a maximum of 290.0 A. (For the purpose of this problem, treat these as DC quantities.) Calculate the minimum total resistance the circuitry in the house can hav.. |

## What is the thermal conductivity of this metalA metal rod with a diameter of 2.30 cm and length of 1.10 m has one end immersed in ice at 32oF, what is the thermal conductivity of this metal and Identify the metal |

## Find the magnitude of the springs displacementA spring is resting vertically on a table. A small box is dropped onto the top of the spring and compresses it. Determine the magnitude of the spring's displacement at an instant when the acceleration of the box is zero |

## When a pulse is amplified in a linear amplifierWhen a pulse is amplified in a linear amplifier, the charge carrier transmit time can cause. |

## What is z components of the magnetic force on the wireA wire lying along a y axis from y = 0 to y = 0.276 m carries a current of 1.62 mA in the negative direction of the axis. The wire fully lies in a nonuniform magnetic field given by = (0.466 T/m)y + (0.293 T/m)y. What is z components of the magnetic .. |

## How fast will the same truck move down the hillA truck can move up a road having a grade of 1.0-ft rise every 50-ft with a speed of 15 mi/h. how fast will the same truck move down the hill |

## How to establish the mechanical energy of the systemWhat is the minimum coefficient of friction between tires and road that will allow cars to take turn without sliding off the road. |

## What is the mass of the liquid in the vatA 0.500m -diameter vat of liquid is 2.20m deep. The pressure at the bottom of the vat is 1.30atm. What is the mass of the liquid in the vat |

## Determine the direction of the net forceFind the net force on the Moon (mM = 7.35 × 1022 kg) due to the gravitational attraction of both the Earth mE = 5.98 × 1024, Determine the direction of the net force |

## Obtain with what minimum average speed must he moveThe lob in tennis is an effective tactic when your opponent is near the net. It consists of lofting the ball over his head, forcing him to move quickly away from the net, With what minimum average speed must he move |

## Evaluate the vertical component of the average force on ballA bat strikes a 0.145- baseball. Just before impact, the ball is traveling horizontally to the right at 40.0, and it leaves the bat traveling to the left at an angle of 30 above horizontal with a speed of 65.0. Find the vertical component of the a.. |

## Determine the distance between the two girlsJulie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 20.0 m/s at an angle 49.0 degrees, What is the distance between the two girls |

## Establish angles subtended by the moon and the sunEstablish angles subtended by the moon and the sun |

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