The maximum current in a superconducting solenoid can be as large as 3.61 kA. If the number of turns per meter in such a solenoid is 3218, what is the magnitude of the magnetic field it produces?

## Find the direction of the force at the support pointA diving board of length 3 is supported at a point 1 from the end, and a diver weighing 480 stands at the free end. The diving board is of uniform cross section and weighs 295. |

## What impulse does the engine exert on the spacecraftAt time t= 0, a 2150-kg spacecraft in outer space fires an engine that exerts anincreasing force on it in the +x-direction. What impulse does the engine exert on the spacecraft during the 1.5 s interval starting 2.0 s afte.. |

## What is the mass of the brickA brick hangs from a string attached to the ceiling. When a horizontal force of 15 N is applied to the brick, What is the mass of the brick |

## How far away is the planet venusRadar is used to determine distances to various objects by measuring the round-trip time for an echo from the object. How far away is the planet Venus if the echo time is 1500 s |

## Express the time in terms of given quantitiesExpress the time in terms of given quantities. T catch = ? How far from Car B's starting line will the cars be when Car B passes Car A? Express your answer in terms of known quantities. |

## What is an angular velocity about the longitudinal axisA 6 kg block slides along a frictionless horizontal surface. The block is acted on by two forces, a 4.5 N force to the left, and a 7.5 N force to the right. At what rate is the 4.5 N force doing work on the block at the instant when its speed is 4.. |

## What launch speed must the proton haveWhat is the electric field strength between the disks? A proton is shot from the negative disk toward the positive disk. What launch speed must the proton have to just barely reach the positive disk? |

## Question1a 600-kg projectile is fired at the angle ofquestion1a 60.0-kg projectile is fired at the angle of 30.0deg above the horizontal with an initial speed of 1.28 102 |

## How much work is done by the force on the two block systemA mass m1 = 5.4 kg rests on a frictionless table and connected by a massless string to another mass m2 = 4 kg, How much work is done by the force F on the two block system |

## How much energy does this involveA lightning flash may transfer up to 30 C of charge through a potential difference of 10^8 V. How much energy does this involve |

## What is the distance of closest approach of the two particlewhat is the distance of closest approach of the two particles. explain two ways in which you could you this equipment to raise the crate. |

## Determine the temperature at the surface of the skinA skier wears a goose down jacket of thickness 3.75cm and total surface area of 1.25m^2. determine the temperature at the surface of the skin |

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