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

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 .. |

State complete balanced equations for all possible reactions : For the list of chemicals below, write complete, balanced equations for all possible reactions that would lead to an insoluble salt. |

Compute the pressure exerted on the skin : Calculate the pressure exerted on the skin by an acupuncture needle of radius 0.100 mm applied with a force of 4.80 N |

Find the frictional force exerted by the road : A car weighing 1.09 104 N is at rest on a 30.5° incline. Each wheel bears an equal part of the car's weight. Find the frictional force exerted by the road on each wheel |

What distance h does the mercury rise in the left arm : 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. |

A cylindrical aluminum rod with an initial length : A cylindrical aluminum rod, with an initial length of 0.8200 m and radius 1200.0 µm, is clamped in place at one end and then stretched by a machine pulling parallel to its length at its other end. Assuming that the rod's density (mass per unit volume.. |

Difference between the angular speeds of wheels on the left : The differential gear of a car axle allows the wheel on the left side of a car to rotate at a different angular speed than the wheel on the right side. A car is driving at a constant speed around a circular track on level ground, completing each l.. |

Calculate the temperature of the well water : The water in a deep underground well is used as the cold reservoir of a Carnot heat pump that maintains the temperature of a house at 299 K. Determine the temperature of the well water |

What latitude is tangential speed-person living in ecuador : The earth has a radius of 6.38 x 106 m and turns on its axis once every 23.9 h. (a) What is the tangential speed (in m/s) of a person living in Ecuador, a country that lies on the equator? (b) At what latitude (i.e., the angle in the figure, in degre.. |

## Obtain the rotational inertia of a meter stickCalculate the rotational inertia of a meter stick, with mass 0.576 kg, about an axis perpendicular to the stick and located at the 29.9 cm mark |

## Calculate the charge of eachWhat's the result when we grow up InGaN on the substrat by MBE I want a (pdf) discruption or I want to talk to any one who knew that's result. |

## How far west of her starting point is sheA girl walks 26 meters at an angle of 39° west of south. How far west of her starting point is she |

## Find the magnitude-sign and location of a third chargeTwo free charges(+)q and (+)4q are separated by a distance l meters. find the magnitude,sign and location of a third charge which makes the system in equilibrium |

## Compute how much charge is on each plateA 3.0 cm x 3.0 cm parallel plate capacitor has a 2.0 mm spacing. The electric field strength inside the capacitor is 1.4 x 10^5 V/m |

## Estimate the current amplitudeSuppose you take a 2.0×102? resistor and a 0.40H inductor and make a series circuit with a voltage source that has voltage amplitude 30V, What is the current amplitude |

## What was themass of the aluminumchunkA student drops two metallic objects into a 32 g steel container holding 169 g of water at 29C. One object is a 486 g cube of copper that is initially at 58C, and the other is a chunk of aluminum that is initially at 6.9C. To the student’s surpris.. |

## What is the pressure drop in the constricted sectionA Venturi tube may be used as the inlet to an automobile carburetor. what is the pressure drop in the constricted section for an airflow of 3.0 cm/s in the 2.0-cm section |

## Collision with the ball the x-componentand the y-componentThe paths of a golf ball your friend drops from the window of her apartment and of the rock you throw from the ground at the same instant. The rock and the ball collide at x = 39.86 m, y = 16.41 m, and t = 2.68 s. |

## Estimate the velocity of the target ball after the collisionA softball of mass 0.220 kg that is moving with a speed of 5.5 m/s collides head-on and elastically with another ball initially at rest. estimate the velocity of the target ball after the collision |

## What is the index of refraction of the glass plateIf the incident angle from the air is 30 degrees and the refracted angle within the glass in 20 degrees what is the index of refraction of the glass plate |

## Calculate the age of the moon rockA moon rock is found to contain 500 g of 232Th and 100 g of 208Pb. Assuming that all of the lead has resulted from the decay of thorium, calculate the age of the moon rock |

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