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 vertical height above the horizontal surface does the sphere rise on the incline?

Angular momentum-origin when the speed of each particle : A light, rigid rod of length l = 1.00 m joins two particles, with masses m1 = 4.00 kg and m2 = 3.00 kg, at its ends. The combination rotates in the xy plane about a pivot through the center of the rod (see figure below). Determine the angular momentu.. |

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? |

## What is the excess charge on the surface of the earthThe earth has a vertical electric field at the surface, pointing down, that averages 120 N/C. What is the excess charge on the surface of the earth |

## What is the electric field at the aircraftAn airplane is flying through a thundercloud at a height of 2400 m. (Flying at this height is very dangerous because of updrafts, what is the electric field at the aircraft |

## What is shells velocity at highest point of the trajectoryA shell is fired at an angle of 20 degree above the horizontal at a velocity of 200 m/s a) what is the range. b) What is its velocity at highest point of the trajectory. |

## What is the period of the mass-spring systemA 6 kg mass is attached to a spring with a spring constant k=20 N/m. The spring is stretched 50 cm and released at t=0s. What is the period of the mass-spring system |

## Q1 a rectangular barge that is 500 m long and 300 m wideq1. a rectangular barge that is 5.00 m long and 3.00 m wide floats in freshwater. when the barge is loaded with cargo |

## How much time will it take to reach the higher speedThe electric motor of your new 2012 Chevrolet Volt is rated at 111 kW [W=J/s]. The mass of the car is 1600kg. How much time will it take to reach the higher speed |

## What is classical frequency of moleculeA molecule absorbs a 2.5 eV photon and transitions from the n=0, l=0 state to the n=1, l=0 state. What is its classical frequency |

## What tensional force now acts on the bar through the cablea stel cable is used to keep a 2 m long 10 kg bar horizontal. one end of the bar is mounted to a wall. what tensional force now acts on the bar through the cable |

## Calculate how many turns are in the secondary coilIn some places, insect "zappers," with their blue lights, are a familiar sight on a summer's night. how many turns are in the secondary coil |

## Determine the temperature at the surface of the skinA skier wears a goose down jacket of thickness 3.75cm and total surface area of 1.25m^2. determine the temperature at the surface of the skin |

## Determine the voltage across the 9.72-f capacitorA 2.93-F and a 6.90-F capacitor are connected in series across a 35.0-V battery. A 9.72-F capacitor is then connected in parallel across the 2.93-F capacitor. Determine the voltage across the 9.72-F capacitor. |

## What is the current in the resistorA power supply maintains a potential difference of 86.1 V across a 1070-? resistor. What is the current in the resistor |

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