Q1. Suppose a uniformly charged (with a linear charge density) wire starts at point 0 and rises vertically along the positive axis to a length. Determine the x-component of the electric field at point. That is, compute near one end of a long wire, in the plane perpendicular to the wire.

Q2. A 1700 car travelling at a speed of 13 skids to a halt on wet concrete where = 0.30. How long are the skid marks?

Q3. A particle having mass of 0.200 {rm g} carries a charge of -2.50×10-8 {rm C}. The particle is given an initial horizontal northward velocity of 4.00×104 {rm m}/{rm s}

What are the magnitude of the minimum magnetic field that will balance the earth's gravitational pull on the particle?

Assume that the trampoline obeys hooke''s law : How long does it take for the grinding wheel to stop ? Through how many radians has the wheel turned during the interval found in. |

What is the average force his feet exert on the ground : Treating our rigid legged friend as a particle, what is the average force his feet exert on the ground as he slows down. |

Find out the magnitude of the magnetic force : A generator uses a coil that has 210 turns and a 0.20-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. assume that each turn of the coil is a square (an approximation), conclude the length of wire f.. |

What is the accurate banking angle of the road : The lows note emitted by stretched string has a frequency of 50Hz.how many outcome are possible between 40Hz and 170Hz. |

What are the magnitude of the minimum magnetic field : Suppose a uniformly charged (with a linear charge density) wire starts at point 0 and rises vertically along the positive axis to a length. Determine the x-component of the electric field at point. That is, compute near one end of a long wire, in the.. |

What should be the magnitude of the third charge : Two charges, and are the distance apart. These two charges are free to move but do not because there is a third charge nearby what should be the magnitude of the third charge and its placement in sequence for the first two to be in equilibrium. |

What must be the dimensions of the nichrome wire : Weight of a box is 150 pounds. The horizontal force required to move the box is 70 lb. What horizontal force is required if 60lbs is added to box. |

What is the radius of the turn : What is the terminal speed for a 76.0 skier going down a 41.0 snow-covered slope on wooden skis = 0.070? Suppose that the skier is 1.80 m tall and 0.500 m wide. Replace mg with net forces parallel to the incline. |

How many complete revolutions does the wheel turn : A rifle with a barrel length of 58 fires an 11 bullet with a horizontal speed of 370. The bullet strikes a block of wood and penetrates to a depth of 15. |

## How many complete revolutions does the wheel turnA rifle with a barrel length of 58 fires an 11 bullet with a horizontal speed of 370. The bullet strikes a block of wood and penetrates to a depth of 15. |

## What is the magnification of an imageA dentist uses a small mirror with a radius of 36 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 16 mm from the tooth, what is the magnification of an image. |

## What is an electric flux through the cubeA particle of charge +1.5 nC is placed at a corner of a Gaussian cube with sides 12.0cm. What is an electric flux through the cube. |

## How many maxima would you detectA cardiac pacemaker can be affected by the static magnetic field as small as 1.7 mT. How close can a pacemaker wearer come to a long, straight wire carrying 19 A. |

## How much current does an immersion heater draw from the carHow much current does an immersion heater draw from the car |

## What is the amplitude of the oscillationsWhat is the amplitude of the oscillations . Could you think of a simple method for determining the focal length of a converging lens. |

## What friction torque is required to reduce angular speedWhat friction torque is required to reduce angular speed |

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