A sanding disk with rotational inertia 7.0 x 10^-3 kg·m^2 is attached to an electric drill whose motor delivers a torque of magnitude 19 N·m about the central axis of the disk. About that axis and with torque applied for 53 ms, what is the magnitude of the (a) angular momentum and (b) angular velocity of the disk?

The left arm of the tube has cross-sectional area : Mercury is poured into a U-tube as shown in Figure (a). The left arm of the tube has cross-sectional area A1 of 11.0 cm2, and the right arm has a cross-sectional area A2 of 4.60 cm2. |

Determine the total energy density within the pulse : A laser pulse has an energy of 19 J and a beam radius of 2 mm. The pulse duration is 9 ns and the energy density is constant within the pulse. What is the total energy density within the pulse |

Angular speed of the lazy susan after the cockroach stops : A Texas cockroach of mass 0.189 kg runs counterclockwise around the rim of a lazy Susan (a circular disk mounted on a vertical axle) that has a radius 10.2 cm, rotational inertia 3.61 x 10-3 kg·m2, and frictionless bearings. |

Calculate how far must the smaller piston move : Find the force P that must be applied to a piston of area 12.10 cm2 to produce sufficient fluid pressure to support a car weighing 10,801 N by means of a column of fluid of cross sectional area 275 cm2 |

What is magnitude of angular momentum and velocity of disk : A sanding disk with rotational inertia 7.0 x 10^-3 kg·m^2 is attached to an electric drill whose motor delivers a torque of magnitude 19 N·m about the central axis of the disk. About that axis and with torque applied for 53 ms, what is the magnitude .. |

State complete balanced equations for all possible reactions : For the list of chemicals below, write complete, balanced equations for all possible reactions that would lead to an insoluble salt. |

Compute the pressure exerted on the skin : Calculate the pressure exerted on the skin by an acupuncture needle of radius 0.100 mm applied with a force of 4.80 N |

Find the frictional force exerted by the road : A car weighing 1.09 104 N is at rest on a 30.5° incline. Each wheel bears an equal part of the car's weight. Find the frictional force exerted by the road on each wheel |

What distance h does the mercury rise in the left arm : Mercury is poured into a U-tube as shown in Figure (a). The left arm of the tube has cross-sectional area A1 of 11.0 cm2, and the right arm has a cross-sectional area A2 of 4.60 cm2. |

## What is the magnitude of the acceleration of one of linerstwo ocean liners with a mass of 50,000 metric tons are 50 m apart. What is the magnitude of the acceleration of one of the liners toward the other due to their mutual gravitational attraction |

## Find the area of each turn of the coilA generator rotates at 87Hz in a magnetic field of 9.0×10?2T . It has 600 turns and produces an rms voltage of 180V, find the area of each turn of the coil |

## Calculate the work required to load the gunA spring loaded ballistic pendulum gun requires an increasing force to load. When loading a ball of mass 0.054 kg, Calculate the work required to load the gun |

## Find the average power consumed by the air conditionerA large air conditioner has a resistance of 6.0 Ohm and an inductive reactance of 16 Ohm. Find the average power consumed by the air conditioner |

## Pendulum bob will barely swing-complete vertical circleA bullet of mass m and speed v passes completely through a pendulum bob of mass M. The bullet emerges with a speed v/2. The pendulum bob is suspended by a stiff rod of length and negligible mass. What is the minimum value of v such that the pendulum .. |

## Calculate the mass of ice per second that meltsA copper rod has a length of 1.0 m and a cross-sectional area of 4.1 x10-4 m2. What is the mass of ice per second that melts |

## An explorer is caught in a whiteout in which the snowfallan explorer is caught in a whiteout in which the snowfall is so thick that the ground cannot be distinguished from the |

## Calculate the rotational kinetic energy of the systemA person of mass 75 kg stands at the center of a rotating merry-go-round platform of radius 3 m, Calculate the rotational kinetic energy of the system of platform plus person before and after the person's walk |

## What will be the charge on the capacitorA capacitor has circular plates of radius 10 cm separated by 1 mm. If the capacitor is connected to a 12 volt battery, What will be the charge on the capacitor |

## What type of mirror needs to be usedA spherical mirror is to be used to form a real image of an object that is located 5 meters from the object. What type of mirror needs to be used |

## Calculate the diameter of the wireA 51.0 g sample of a conducting material is all that is available. The resistivity of the material is measured to be 12 ? 10-8, What must be the diameter of the wire |

## Compute the mass of the wheelA large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. What is the mass of the wheel |

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