A 3.00*10^2-eV electron and a 1.00*10^2-eV electron trapped in a uniform magnetic field move in circular paths in a plane perpendicular to the magnetic field. What is the ratio of the radii of their orbits?

Compare this performance with heat transfer of solid silver : A pipe 0.0178 m in diameter and 0.16 m long can transfer 3726 J of heat per second with a temperature difference across the ends of 5?C. Compare this performance with the heat transfer of a solid silver bar of the same di- mensions by finding the rat.. |

Describe the part of the electron while in magnetic field : A electron enters a magnetic field of 0.3 T at an angle of 45 degrees and with a speed of 5 E5 m/s. Find the force on the electron . Describe the part of the electron while in the magnetic field. |

What is the resistance of the platinum wire : Two wires are identical, except that one is silver (resistivity = 1.59×10-8 ?·m) and the other is platinum (resistivity = 1.06×10-7 ?·m). The silver wire has resistance of 1.56 m?. What is the resistance of the platinum wire? |

In a double-slit experiment-second-order bright fringe : In a double-slit experiment, the second-order bright fringe is observed at an angle of 0.62°. If the slit separation is 0.10 mm, then what is the wavelength of the light? I'm getting 5.4104e-6 nm? But I'm not sure what I'm doing wrong. I've tried it .. |

What is the ratio of the radii of their orbits : A 3.00*10^2-eV electron and a 1.00*10^2-eV electron trapped in a uniform magnetic field move in circular paths in a plane perpendicular to the magnetic field. What is the ratio of the radii of their orbits? |

What angle will the second order peak occur : A diffraction grating with 280 lines per mm is used in an experiment to study the visible spectrum of a gas discharge tube. At what angle from the beam axis will the first order peak occur if the tube emits light with wavelength of 400.0 nm? At what .. |

Two straight wires run parallel to each other : Two straight wires run parallel to each other, each carrying a current in the direction shown below. The two wires experience a force in which direction? B) What happens when one of the currents is turned off? |

According to the definition of work : According to the definition of work, the work done by an external force in moving a heavy crate along a horizontal surface should be the same whether the force is pulling upward at a 45 degree angle or pushing downward at a 45 degree angle. In practi.. |

Solid uniform spherical boulder rolls down the hill : A solid uniform spherical boulder rolls down the hill as shown in the figure(Figure 1) , starting from rest when it is H = 43.0{\rm m} above the bottom. The upper half of the hill is free of ice, so the boulder rolls without slipping. But the lower h.. |

## What horizontal distance does football travel during flightThe horizontal and vertical components of the initial velocity of a football are 20m/s and 30m/s respectively. What horizontal distance does the football travel during flight |

## What is the buoyant force on the massAn object with a mass of 48.0 g displaces 605.0 ml of water when it is completely immersed. What is the buoyant force on the mass |

## What is the torque in unit vector notation about the originA particle with radius r=5i+4k+3k has a force of F=3i-8j+5k acting on it. What is the torque in unit vector notation about the origin |

## What is the peak current through the capacitorA 0.29 micro farad capacitor is connected across an AC generator that produces a peak voltage of 10.4 V. What is the peak current through the capacitor |

## Determine the buoyant force of the water on the ballA ball with a diameter of 10 cm is submerged in water. The buoyant force of the water on the ball is |

## Find the unknown mass m3Three blocks of mass m1=1.0 kg, m2=2.0 kg, and unknown mass m3 are on a frictionless forizontal surface, What is the unknown mass m3 |

## What was the magnitude of the average forceA 0.160-kg baseball traveling 30.0m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 11.0cm . What was the magnitude of the average force applied by the ball on the glove? |

## How fast can the mass move around the circleA mass (3kg) on a string lies on a horizontal frictionless surface tied to a central point. How fast can the mass move around the circle without breaking the string |

## What is its initial velocity as it leaves the groundFour or five gram blocks of metal are sitting out in the sun and absorb the same amount of heat energy. Use the following specific heat capacity data to resolve which block will increase its temperature the most. |

## Find the time it takes the train to stopA long freight train has a mass of 5×(10^6) kg and is initially traveling at 25 m/s. Find the time it takes the train to stop |

## Determine the relativistic momentum of the spacecraftA spacecraft has a nonrelativistic (or classical) momentum whose magnitude is 1.4×1014 kg·m/s. Find the relativistic momentum of the spacecraft |

## Discussion of network utilizationBenefits of networking - Discussion of network utilization between office and hospital mainframe |

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