A spinning flywheel has rotational inertia I = 417 kg·m2. Its angular velocity decreases from 19.5 rad/s to zero in 320 s due to friction. What is the frictional torque acting? Take positive to be "with the flywheel's rotation", and negative to be "opposite the flywheel's rotation"

The distance from the center of breastbone to mans hand : The distance from the center of the breastbone to a man's hand, with the arm outstretched and horizontal to the floor, is 1.39 m. The man is holding a 12-kg dumbbell, oriented vertically, in his hand, with the arm horizontal. What is the torque due t.. |

A skater is initially spinning at a rate : A skater is initially spinning at a rate of 13.1 rad/s with a rotational inertia of 2.54 kg·m2 when her arms are extended. What is her angular velocity after she pulls her arms in and reduces her rotational inertia to 1.64 kg·m2? |

What is its angular momentum : A turntable of mass 5.01 kg has a radius of 0.129 m and spins with a frequency of 0.530 rev/s. What is its angular momentum? Assume the turntable is a uniform disk. |

Horizontal surface does the sphere rise on the incline : A solid sphere of mass 0.524 kg rolls without slipping along a horizontal surface with a translational speed of 5.33 m/s. It comes to an incline that makes an angle of 31.7° with the horizontal surface. Ignoring energy losses due to friction, to what.. |

A spinning flywheel has rotational inertia : A spinning flywheel has rotational inertia I = 417 kg·m2. Its angular velocity decreases from 19.5 rad/s to zero in 320 s due to friction. What is the frictional torque acting? Take positive to be "with the flywheel's rotation", and negative to be "o.. |

Two rocket ship travel in same direction with relative speed : Two rocket ships travel in the same direction with a relative speed of .98c. a light pulse is fired from the back of one of the ships to the front of the same ship of length deltaX=20m. |

A rod is being used as a lever : A rod is being used as a lever, as shown in the figure below. The fulcrum is x1 = 1.79 m from the load and x2 = 3.81 m from the applied force. If the load has a mass of 12.8 kg, what force must be applied to lift the load? |

What is magnitude of the magnetic flux through this circle : A circular area with a radius of 7.40 lies in the x-y plane. What is the magnitude of the magnetic flux through this circle due to a uniform magnetic field B= 0.232 T that points in the +z direction? |

Uniform magnetic field along the axis of the coil : A coil of wire with 210 circular turns of radius 3.30 cm is in a uniform magnetic field along the axis of the coil. The coil has R= 42.8 ohm. At what rate, in teslas per second, must the magnetic field be changing to induce a current of 0.155 A in th.. |

## What is the particles charge-to-mass ratioA hypothetical charged particle passes without deflection through crossed electric and magnetic fields of strengths 6940 V/m and 0.125 T, respectively. What is the particle's charge-to-mass ratio |

## Q1 a boat with a flat bottom and its cargo weigh 6000n theq1. a boat with a flat bottom and its cargo weigh 6000n. the area of the boats bottom is 4m squared. how far below the |

## Determine the specific heat capacity of an unknown sample ofDetermine the specific heat capacity of an unknown sample of metal. |

## Three identical thin rods each of length l and mass m arethree identical thin rods each of length l and mass m are welded perpendicular to one another as shown in figure |

## Find the magnitude of the resistance force acting horizontalBronco Brown is mowing his lawn. He applies a force F along the handle of the lawnmower as shown. Bronco moves the mower at constant velocity. What is the magnitude of the resistance force acting horizontally on the mower |

## What is the net inward magnetic flux through your bodyYou stand in the earth's magnetic field, directly facing its horizontal component (in other words, facing magnetic south). What is the net inward magnetic flux through your body's entire surface |

## Estimate the increase in the internal energy of the neonSuppose a tank contains 505 m3 of neon (Ne) at an absolute pressure of 1.01Ã-105 Pa. The temperature is changed from 293.2 to 295.8 K |

## Obtain the electric field strength between the platesA doubly charged ion is accelerated to an energy of 34.0 keV by the electric field between two parallel conducting plates separated by 2.00 cm |

## How many electrons must be added to make the ball neutralIf a ball has a net positive charge of 57 ?C, how many electrons must be added to make the ball neutral |

## What was the magnitude and direction of the initial velocityA person looks horizontally at the edge of a swimming pool. If its length is 5.00m, and the pool is filled to the surface, to what depth (in m) could observer see? For water is 1.33). |

## Question11 at one point in a skydive a falling 99 kgquestion11. at one point in a skydive a falling 99 kg skydiver is encountering air resistance of 442 n. how much does |

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