When a rifle is fired, the person firing the rifle absorbs the recoil. Consider an Olympic biathlete firing a competition rifle. Compitition rifles have a mass of 3.5 kg and fire a 22 calibur bullet with a mass of 2 g. the bullet leaves the barrel at 365 m/s. the length of time if firing is 5 milliseconds. What is the magnitude of the force absorbed by the athlete?

Compute the magnitude of the external magnetic field : A horizontal wire of length 0.43 m, carrying a current of 6.9 A, is placed in a uniform external magnetic field. Determine the magnitude of the external magnetic field |

Estimate the mass of the particle : A charged particle enters a uniform magnetic field and follows the circular path shown in the drawing. Determine the mass of the particle |

Explain why is the backpack helpful : A woman who is late in her pregnancy often leans backwards slightly when getting out of chairs and even while walking. Why is the backpack helpful |

Calculate the total angular momentum of our moon : Calculate the total angular momentum of our Moon relative to the center of the Earth. You may assume that the Moon is a uniform sphere |

What is the magnitude of the force absorbed by the athlete : When a rifle is fired, the person firing the rifle absorbs the recoil. Consider an Olympic biathlete firing a competition rifle. What is the magnitude of the force absorbed by the athlete |

Calculate the optimum production plan : Calculate the optimum production plan the firm should follow next year given the above constraints. |

Explain the differences in the four methods of costing : Explain the differences in the four methods of costing you have used in (a.i) and (a.ii) and in which situation you would use them. |

What is its activity after given days : A patient with thyroid problems has radioactive iodine (123I53) deposited in his thyroid gland. If the 123I53 has an initial activity of 2.5 MBq, what is its activity after 24 days |

Compute the total momentum of system : A point mass of 1kg collides elastically with a stationary point mass of 5 kg. calculate total momentum of system and kinetic energy of centre of mass |

## How many charged particles were transferredA glass rod that has been charged to + 17.0nC touches a metal sphere. Afterward, the rod's charge is + 9.0nC |

## Determine the ratio of the two massestwo blocks of mass m1 and m2 approach each other on a horizontal table with the same constant speed, Vo, as measured by a laboratory observer. Determine the ratio of the two masses m1/m2 |

## What is the heat flow involved in this processHeat and physical activity. In a bench press, a weight lifter lifts 132kg 41cm. In so doing, the athlete expends 1.2kJ. What's the heat flow involved in this process |

## Find the magnitude of the electric field between the platesThe plates of a parallel-plate capacitor have a separation of 2.28mm , and each has an area of 15.4cm2. find the magnitude of the electric field between the plates |

## What is the planes acceleration while stoppingA plane touches down for a landing with a ground speed of 120 mi/h (53.7 m/s). What is the plane's acceleration while stopping |

## By what factor does the volume changeA gas is kept at constant pressure. If its temperature is changed from 15 to 145°C, by what factor does the volume change |

## What are the x- and y- coordinates of the electronAn electron is placed in a uniform electric field of strength 210 N/C. If the electron is at rest at the origin of a coordinate system at t = 0 and the electric field is in the positive x-direction |

## Illustrate what was the vertical component of jills velocityJack and Jill ran up the hill at 3.3 m/s . The horizontal component of Jill's velocity vector was 2.0 m/s. What was the angle of the hill? Illustrate what was the vertical component of Jill's velocity? |

## Determine the kinetic energy of the asteroidAt some point in its orbit, our asteroid is moving with a speed of 20 kilometers per second. Determine the kinetic energy of the asteroid |

## What total distance does the disk travelA shuffleboard disk is accelerated at a constant rate from rest to a speed of 7.3 m/s over a 2.4 m distance by a player using a cue. What total distance does the disk travel |

## Find the phase of the final stateWater at 900 psi, 800ºF undergoes an adiabatic, reversible process until the pressure is 1 psi. Find the phase of the final state |

## Determine the voltage drop across the inductorA circuit contains a 150-? resistor, a 0.0530-H inductor, a 0.420-?F capacitor, and a source of time-varying emf connected in series. Determine the voltage drop across the inductor |

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