A current of 7.87 A in a solenoid of length 12.0 cm creates a 0.357-T magnetic field at the center of the solenoid. How many turns does this solenoid contain?

Determine the height of the water in the tank at any time : Outflow of water occurs from a cylindrical tank with a hole at the bottom. Find the height of the water in the tank at any time if the tank has a diameter 2 m, the hole has diameter 1 cm, and the initial height of the water when the hole is opened.. |

How accurately would each 100-ft distance have to be measure : How accurately would each 100-ft distance have to be measured so that the 95% error would no exceeded +-0.24ft in a total distance of 4000ft |

Compute the distance when the traffic signal turns red : A driver with his passenger vehicle is driving at 35 mph, when the traffic signal in front of him changes to yellow. He is 100 feet from the intersection when he applies the brakes after a 1-second reaction time. |

Calculate the separation distance of the wires : Two long parallel wires carry currents of 2.71 A and 5.93 A. Find the separation distance of the wires |

Find how many turns does this solenoid contain : A current of 7.87 A in a solenoid of length 12.0 cm creates a 0.357-T magnetic field at the center of the solenoid |

Compute the max acceptable tensile service load for angle : The service live load is three times the dead load. The 4-in leg contains a single line of 7/8 inch diameter bolts, and the 6 inch leg contains a double gage line of 7/8 inch diameter bolts. |

Determine the amount of merchandise inventory lost : Complete the Balance Sheet using the information on the Post Closing Trial Balance and determine the amount of Merchandise Inventory lost and prepare the entry to write off the lose. |

Find the root-mean-square speed of brownian motion : Smoke particles in the air typically have masses of the order of 10^-16 kg. Find the root-mean-square speed of Brownian motion for a particle with a mass of 3.00 x 10^-16kg in air at 300K |

Determine the service rate for six vehicles per minute : Vehicles begin to arrive at a toll booth at eight vehicles per minute from 9 A.M. to 10 A.M. The booth opens at 9:10 A.M. and services at a rate of ten vehicles per minute until 9:40 A.M. From 9:40 A.M. until 10 A.M. |

## What is the total charge incident on the atmosphereThe Earth is constantly being bombarded by cosmic rays, which consist mostly of protons. Assume that these protons are incident on the Earth's atmosphere from all directions at a rate of 1090. protons per square meter per second. |

## What is the wavelength of the electromagnetic wavesWhat is the wavelength of the electromagnetic waves used for cell phone communications in the 900-MHz band? |

## What is magnitude and direction of electric field in spaceYou place an object with an electrical charge of +0.256 C at a point in space, What is the magnitude and direction of the electric field at that point in space |

## Find the power generated by the emf of the batteryAn ideal Voltmeter is connected across the terminals of a 12 Volt battery and a light bulb with R = 4.5 ohms is also connected across the battery terminals, Find the power generated by the Emf of the battery |

## What was the initial speed of the bulletwhat was the initial speed of the bullet. find the heat that flows in 1.0 s through a lead brick 15 cm long if the temperature difference between the ends of the brick is 8.5 degrees celsius. the cross sectional are of the brick is 12 cm squared. |

## Find a maximum value of the accelerationDan is gliding on his skateboard at 4 m/s. He suddenly jumps backward off the skateboard, kicking the skateboard forward at 6 m/s (as measured by an observer on the ground). Dan's mass is 50 kg and the skateboard's mass is 7 kg. How fast is Dan going.. |

## Find out the force ft provided by the cableAssume the mass of the beam is negligible when compared with the mass of the floodlight. Find out the force FT provided by the cable. The acceleration of gravity is 9.81 m/s2 . |

## What is the smallest volume of iceA 500 kg polar bear of average density 950 kg/m3 is stranded on a melting chunk of ice in the ocean. What is the smallest volume of ice that will keep the bear entirely above water |

## What will the pressure be if the nitrogen is replacedA storage tank contains 21.6 kg of nitrogen (N_2) at an absolute pressure of 3.54 atm. What will the pressure be if the nitrogen is replaced by an equal mass of CO_2 ? |

## Compute the change in the box kinetic energyAn 52.0 N box of clothes is pulled 6.7 m up a 30.0° ramp by a force of 107 N that points along the ramp. If the coefficient of kinetic friction between the box and the ramp is 0.22, compute the change in the box's kinetic energy. |

## Determine the magnitude of the couples displacementOne afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which is 1.48 km. What is the magnitude of the couple's displacement |

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