An alpha particle (the nucleus of a helium atom) consists of two protons and two neutrons. An alpha particle is injected horizontally with a speed of 2.45 x 105 m/s into a region with a vertical magnetic field. If it takes 226 ns for the alpha particle to

complete half of a revolution, what is the strength of the magnetic field?

Organizational development : Compare and contrast the benefits of using qualitative and quantitative data collection methods as they apply to organizational development (OD). |

Develop a coherent demodulation for the modulated signal : Use a modulation index of 50 percent and a sampling rate of 160 kHz. In this project, develop a coherent demodulation for the modulated signal. Assume there is no channel error. |

Find the unique factorisation : Find the unique factorisation and determine which of the original statement or the negation is true - Prove the Giftbox Theorem using the method of contradiction |

Determine the primary voltage of step-down transformer : A 150kVA, 2080/208V, 60Hz, Y/Y connected, three-phase, step-down transformer consists of three identical single-phase transformers. Each transformer has the following parameter values: Rl = 0.45-ohm, Xl = 2.2-ohm , R2 = 4.5m-ohm |

Determine the strength of the magnetic field : An alpha particle (the nucleus of a helium atom) consists of two protons and two neutrons. what is the strength of the magnetic field |

The kansas city patrol experiment and gun experiment : The Kansas City Patrol Experiment. The Boston Gun Project (Operation Ceasefire). Weed-and-Seed Community initiative program. The Kansas City Gun Experiment |

How many cash registers the restaurant should have : a fast food restaurant averages 150 customers per hour. The average processing time per customer is 90 seconds. |

What difference between line personnel and staff personnel : What is the difference between line personnel and staff personnel? Why are the two groups so often in conflict? |

Find the depletion width nd its extent in each of the region : The acceptor concentration in a particular junction is 10^6/cm^3 and the donor concentration is 10^15/cm^3. Assume ni=1.5*10^10/cm^3. Find the junction built-in voltage. |

## Estimate the power radiated by the human bodyEstimate the power radiated by the human body. Be sure to state the estimated values of all relevant quantities. You need only outline your calculations. How does this value compare with the average caloric intake for humans? |

## What is the speed of the bowlWhat is the speed of the bowl? The speed of sound is 340 meters per second. |

## By how much will the silk stretchOrb spiders make silk with a typical diameter of 0.15 .A typical large orb spider has a mass of 0.50 . If this spider suspends itself from a single 12-cm-long strand of silk, by how much will the silk stretch? |

## Find the temperature at the plasterboard-brick interfaceFive equal-mass particles (A-E) enter a region of uniform magnetic field directed into page. They follow the trajectories. Rank the particles on the basis of their speed. |

## Determine the force on the chargeFour charges are arranged in a rectangle with a length of 21 cm, and width of 15 cm. The charge on the top left corner is 4nC, the charge on top right corner is -3nC, the bottom right corner has a charge of 6nC, and the bottom left corner has a ch.. |

## What is the mass of the carWhat is the maximum speed the car can have at point B for the gravitational force to hold it on the track. |

## Calculate the ratio of the electric potential at the surfaceConsider two isolated, charged conducting spheres: a large sphere and a second smaller sphere with a radius 8 times smaller than that of the large sphere, but with 4 times as much charge. |

## What is the phase difference between wavesTwo sinusoidal waves, identical except for phase, travel in the same direction along a string, producing the net wave y(x,t)=(6.0 mm)sin(24.0x -2.0 s-1 * t+0.320 rad), with x in meters and t in seconds. What is the wavelength ? of the two waves? W.. |

## What is the speed of the air-track gliderA light spring-gun projectile launcher is mounted on an 0.533 kg air track glider. What is the speed of the air-track glider after the gun is fired |

## Find out the rate of rotation of wheelrotates to provide an "artificial gravity" of 3.10 m/s2 for persons who walk around on the inner wall of the outer rim. Find out the rate of rotation of the wheel (in revolutions per minute) that will produce this effect. |

## What is the magnitude of the impulse delivered to ballA player bounces a 0.47 kg soccer ball off her head, changing the velocity of the ball from i = (9.2 m/s) + (-2.7 m/s) to f = (6.1 m/s) + (5.5 m/s). The ball is in contact with the player's head for 6.70ms. |

## Define the maximum angleA very long solenoid with a circular cross section and radius r= 8.1cm with n= 1.90E+4 turns/m has a magnetic energy density uB= 5.70 mJ/m3. What is the current in solenoid. |

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