Two steel wires of the same length, one with radius r and the other with radius 4r, are connected together, end to end, and tied to a wall. An applied force stretches the combination by d = 2.5 mm. How far does the point where the two wires meet move?

Find the volume flow rate of the gas : A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2 through a horizontal section of pipe whose cross-sectional area A2 = 0.0600 m2. Find the volume flow rate Q of the gas |

How long does it take the cable to unwrap : Starting from rest, a constant force F = 100 N is applied to the free end of a 45-{\rm m} cable wrapped around the outer rim of a uniform solid cylinder, How Long does it take the cable to unwrap |

Compute the magnitude and the direction of magnetic field : A group of particles is traveling in a magnetic field of unknown magnitude and direction. compute the magnitude and the direction of the magnetic field |

Determine the irr for both projects : Determine the NPV at a cost of capital of 12 percent for both projects. Which project should be chosen? Explain. |

Find how far does the point where the two wires meet move : Two steel wires of the same length, one with radius r and the other with radius 4r, are connected together, end to end, and tied to a wall. How far does the point where the two wires meet move |

Obtain the density of the liquid : A U-shaped tube is partly filled with water and partly filled with a liquid that does not mix with water. what is the density of the liquid |

How fast does the water move through the nozzle : A garden hose of inner radius 1.1 cm carries water at 1.8 m/s. The nozzle at the end has radius 0.25 cm. How fast does the water move through the nozzle |

Determine the overall magnification of the system : Two converging lenses having focal lengths of f1 = 10.9 cm and f2 = 20.0 cm are placed d = 50.0 cm apart. What is the overall magnification of the system |

How to make the assumption that n2 molecules : Make the assumption that N2 molecules are in a 3-D box that is 4.5 m long, 3.5 m wide, and 2.25 m high. Treat them as particles. If the temp is 25 C, calculate the average energy per molecule. |

## Determine the radius r of the tireWhat is the response to the Naturalist concept that human personality, thought, and emotion are purely chemical and electrical reactions. |

## What is the minimum distance from the seawallA woman is riding a Jet Ski at a speed of 24 m/s and notices a seawall straight ahead. what is the minimum distance from the seawall that she can begin making her turn and still avoid a crash |

## What is the capacitance of the devicePaper has a dielectric constant of 3.5 and a dielectric strength of 16 kV/mm. What is the capacitance of the device |

## What is the light intensity reaching the photocellSuppose that unpolarized light of intensity 144 W/m2 falls on the polarizer in the figure below, and the angle ? in the drawing is 28.5° |

## Which lens should he use as the objectiveA professor shipwrecked on Hooligan's Island decides to build a telescope from his eyeglasses and some coconut shells. Which lens should he use as the objective |

## What is the radiation forceA square, perfectly reflecting surface is oriented in space to be perpendicular to the light rays from the Sun, What is the radiation force on the surface from the light rays |

## How far from the van is the object actually locatedThe owner of a van installs a rear-window lens that has a focal length of -0.340 m. When the owner looks out through the lens at an object located directly behind the van, How far from the van is the object actually located |

## How much more interior space does dome have in summerA geodesic dome constructed with an aluminum framework is a nearly perfect hemisphere; its diameter measures 56.0 m on a winter day at a temperature of 12.5°C. |

## Obtain the lagranges equations of motionA simple pendulum of length l and mass m is attached to a massless spring with elastic constant k. The attachment point moves only in a vertical direction. Obtain the Lagrange's equations of motion |

## What is the disks maximum speed at amplitude of transducerAn ultrasonic transducer, of the type used in medical ultrasound imaging, is a very thin disk (m = 0.14 g) driven back and forth in SHM at 1.1 MHz by an electromagnetic coil. |

## What is the frequency of first overtoneAn underwater diver sees the sun 58{rm ^circ} above horizontal. How high is the sun above the horizon to a fisherman in the boat above the diver. |

## A placekicker is about to kick a field goalThe ball is 21.9 m from the goal post. The ball is kicked with an initial velocity of 19.8 m/s at an angle θ above ground. Between what two angles, θ1 and θ2, will the ball clear the 2.74m high crossbar. |

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