Water flows straight down from an open faucet. The cross-sectional area of the faucet is 1.7 × 10-4m2 and the speed of the water is 0.70 m/s as it leaves the faucet. Ignoring air resistance, find the cross-sectional area of the water stream at a point 0.11 m below the faucet.

Find the tension in each of the two strings : Two masses m1 and m2 sit on a horizontal, frictionless table and are connected by a light string, Find the tension in each of the two strings |

How much charge flows through a point in the circuit : One hundred turns of (insulated) copper wire are wrapped around a wooden cylindrical core of cross-sectional area 1.20 × 10?3 m2. how much charge flows through a point in the circuit during the change |

Compute the economic order quantity : Compute the economic order quantity - Compute the probability that the mechanics are free |

An LC circuit has capacitance C0 and inductance L : An LC circuit has capacitance C0 and inductance L. A second LC circuit has capacitance 1/2C0 and inductance 2L, and a third LC circuit has capacitance 2C0 and inductance 1/2L . |

Estimate the cross-sectional area of the water stream : Water flows straight down from an open faucet. The cross-sectional area of the faucet is 1.7 × 10-4m2, find the cross-sectional area of the water stream at a point 0.11 m below the faucet |

What was the average power output of this magnetar : On December 27, 2004, astronomers observed the greatest flash of light ever recorded from outside the solar system. what was the average power output (in terms of P) of this magnetar |

Determine the direction of the net force on the car : A car with a mass of 1300 kg decreases its forward speed from 22 m/s to 14 m/s in 4.0 seconds. What are the magnitude and direction of the net force on the car |

Find the normal force between the ball and the wall : a spherical ball hanging on a string on a smooth, frictionless wall. The mass of the ball is m, its radius is R, and the length of the spring is L. Find the normal force between the ball and the wall |

Find how long does it take to stop after power is turned off : When the power is turned off on a turntable spinning at 82.0 rpm, you find that it takes 10.8 revolutions for it to stop while slowing down at a uniform rate. How long does it take to stop after the power is turned off |

## Coefficient of kinetic friction between block and inclineA 3.00-kg block starts from rest at the top of a 35.0° incline and slides 2.00 m down the incline in 1.50 s. Find the acceleration of the block. Find the coefficient of kinetic friction between the block and the incline. |

## What is her total mechanical energy at this instantAt the top of a giant swing on the gymnastics high bar, Candy's velocity is 1 m/s, and she is 3.5 m high. what is her total mechanical energy at this instant |

## Determine the electric force on the protonA proton is at the origin and an electron is at the point x = 0.45nm , y = 0.35nm. Find the electric force on the proton |

## How hard and what direction must you pull on the third ropeOne of your friends pulls on a rope with 3 units of force and other pulls on a second rope with 5 units of force, How hard and what direction must you pull |

## What is the maximum speed it will obtain while fallingA ball with a radius of 10cm falls through the air toward the ground. what is the maximum speed it will obtain while falling |

## Find acute angle between radiusvector and total accelerationAn artificial satellite is moving in a circular orbit with a speed of 6.3 km/s and a period of 84.0 min. What is the acute angle between the radius vector and the total acceleration of the satellite |

## Estimate the angle of incidenceA beam of light in air strikes a slab of glass (n= 1.50) and is partially reflected and partially refracted. Find the angle of incidence |

## What is the ac current measured on the secondary sideA transformer is constructed that has 120 turns of wire on the primary side and 430 turns of wire on the secondary (load) side. what is the AC current measured on the secondary side |

## Describe an experiment to measure the molecular weightDescribe an experiment to measure the molecular weight Mw and the second viral coefficient B of a macromolecules in solution using osmotic pressur. Show how you would plot the experimental data. |

## What is the tension in the right side cableAn 85 kg man is standing 3.5 m from the right end of a10.0 m long 175 kg platform suspended by a cable at each end. What is the tension in the right side cable |

## Calculate the distance each object will moveTwo objects with masses of 3.80 kg and 5.40 kg are connected by a light string that passes over a frictionless pulley, Determine the distance each object will move in the first second of motion if both objects start from rest |

## Find how much heat the stove losesA black wood stove with surface area 4.6 \rm{ m^2} is made from cast iron 4.0 \rm mm thick. The interior wall of the stove is at 650 \rm { ^\circ C}, find how much heat the stove loses by a combination of conduction and convection in the surroundin.. |

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