Mercury is poured into a U-tube as shown in Figure (a). The left arm of the tube has cross-sectional area A1 of 11.0 cm2, and the right arm has a cross-sectional area A2 of 4.60 cm2. Three hundred grams of water are then poured into the right arm as shown in Figure (b). (a) Determine the length of the water column in the right arm of the U-tube. cm (b) Given that the density of mercury is 13.6 g/cm3, what distance h does the mercury rise in the left arm? cm

Find what is the radius of the path traveled : A proton (m = 1.672 X 10^-27kg, q= 1.6 X 10^-19 c) is accelerated through an electric potential of 95 volts and enters a region perpendicular to a magnetic field of .62T |

Explain what happen when the manganese dioxide mno2 added : What would happen when the manganese dioxide MnO2 was added to the peroxide solution. why did this occure |

A wheel is rotating freely at angular speed : A wheel is rotating freely at angular speed 490 rev/min on a shaft whose rotational inertia is negligible. A second wheel, initially at rest and with 5 times the rotational inertia of the first, is suddenly coupled to the same shaft. (a) What is the .. |

Calculate the speed of the fluid as it leaves the hole : A container of cross-sectional area 102 cm2 contains liquid of density 1.95 g/cm3 to a height of 6.60 cm above a small hole of area 1.00 cm2 in the side. Find the speed of the fluid as it leaves the hole |

The left arm of the tube has cross-sectional area : Mercury is poured into a U-tube as shown in Figure (a). The left arm of the tube has cross-sectional area A1 of 11.0 cm2, and the right arm has a cross-sectional area A2 of 4.60 cm2. |

Determine the total energy density within the pulse : A laser pulse has an energy of 19 J and a beam radius of 2 mm. The pulse duration is 9 ns and the energy density is constant within the pulse. What is the total energy density within the pulse |

Angular speed of the lazy susan after the cockroach stops : A Texas cockroach of mass 0.189 kg runs counterclockwise around the rim of a lazy Susan (a circular disk mounted on a vertical axle) that has a radius 10.2 cm, rotational inertia 3.61 x 10-3 kg·m2, and frictionless bearings. |

Calculate how far must the smaller piston move : Find the force P that must be applied to a piston of area 12.10 cm2 to produce sufficient fluid pressure to support a car weighing 10,801 N by means of a column of fluid of cross sectional area 275 cm2 |

What is magnitude of angular momentum and velocity of disk : A sanding disk with rotational inertia 7.0 x 10^-3 kg·m^2 is attached to an electric drill whose motor delivers a torque of magnitude 19 N·m about the central axis of the disk. About that axis and with torque applied for 53 ms, what is the magnitude .. |

## What is the resistivity of the wireA potential difference of ?V = 12.0 V is found to produce a current of 0.40 A in a 3.2 m length of wire with a uniform radius of 0.40 cm, What is the resistivity of the wire |

## What is the magnitude of the net electrostatic forceA particle of charge 1.2mC is located 1mm inside of uniform charge of 3.2mC that has an inner radius of 5.0cm, What is the magnitude of the net electrostatic force on the particle |

## How much energy did the heating element supplyA particular vacuum flask has a mass of 1 kilogram and contains 1 liter of liquid water, how much energy did the heating element supply, You can disregard the energy needed to warm and vaporize the water |

## How far apart are the particles from each otherTwo particles oscillate in simple harmonic motion with amplitude A, about the centre of a common straight line of length 2A. How far apart are the particles from each other |

## Find how far is the blackboard from her eyesA student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 61.22 diopters, How far is the blackboard from her eyes |

## What is the amount of charge on each plateA parallel plate capacitor has square plates with sides of length 10 cm. The distance between the plates is 4 mm. What is the amount of charge on each plate |

## At what angular speed should it spinIf the arm is 5.50-m long and pivots about one end, at what angular speed (in rpm) should it spin so that the acceleration of the lander is the equal as acceleration because of gravity at the surface of Europa? The mass of Europa is 4.8 times 10^ .. |

## Find what is the electric potential on the surfaceA point charge of 8.40 mC is surrounded by an equipotential surface with a radius of 0.280 m. What is the electric potential on the surface |

## Find the velocity of the windA seagull flies at a velocity of 10.00 m/s straight into the wind, If it takes the bird 18.0 min to travel 6.00 km relative to the earth |

## Calculate and interpret an upper confidence boundData on the modulus of elasticity obtained 1 minute after loading in a certain configuration and 4 weeks after loading for the same lumber specimens is presented here. |

## What negative acceleration must it produceA railroad car is released from a locomotive on an incline. what negative acceleration must it produce to bring the car to rest |

## Find the force on the wireA 3.0m length of straight wire carries a current of 16A in a uniform magnetic field of 50mT whose direction is at an angle of 36? , Find the force on the wire. |

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