A 3.4-m-tall, 90-cm-diameter concrete column supports a 4.0×10^5kg load. By how much is the column compressed?

Direction of the magnetic induction at the center of loop : A circular loop of radius 50 mm in the plane of the paper carries a counterclockwise current of 15 A. It is submerged in a medium that has a relative permeability of 3.0 Calculate the magnitude and direction of the magnetic induction at the center of.. |

What is the new rotational energy of the system : Two astronauts, each having a mass M, are connected by a rope of length d having negligible mass. They are isolated in space, orbiting their center of mass at speeds v. What is the new rotational energy of the system |

What are the magnitude and sign of the unknown charge : A 20-mC charge is 4 cm above an unknown charge q. The electric intensity at a point 1 cm above the 20-mC charge is 2.20x109 N/C and is directed upward. What are the magnitude and sign of the unknown charge? |

Explain the equilibrium concentration of the red iron : If the reaction between iron (III) ion and thiocyanate ion yielded an equilibrium concentration of .15 M for each of these ions, what is the equilibrium concentration of the red iron (III)-thiocyanate complex |

Evaluate by how much is the column compressed : A 3.4-m-tall, 90-cm-diameter concrete column supports a 4.0×10^5kg load. By how much is the column compressed |

Find the frequency of this reflected wave : A firefighter on the back of the fire engine hears the sound waves after they are reflected from the wall. What is the frequency of this reflected wave as heard by this firefighter |

Evaluate ksp at the temperature of 25°c : Sr(OH)2, is considerably more soluble in hot than in cold water. At 25 °C, 1.01 g of this compound dissolves in 0.100 L of water, but 27.9 g dissolves at 100.0 °C. Calculate Ksp at the temperature of 25°C |

Determine what is the kinetic energy of the ball : An outfielder throws a 0.150 kg baseball at a speed of 42.0 m/s and an initial angle of 30.0°. What is the kinetic energy of the ball |

What is the average emf produced across the soil : A loop of 25 turns of wire and radius 15 cm is placed perpendicular to a magnetic field of .4T. what is the average EMF produced across the soil |

## What is the final speed of the second carOn an icy (nearly frictionless) street a 600 kg car traveling straight east at 5 m/s collides with a 1000 kg car traveling straight north at 3 m/s. what is the final speed of the second car |

## A pelican flying along a horizontal path drops a fish froma pelican flying along a horizontal path drops a fish from a height of 5.4m. the fish travels 8.0m horizontally before |

## Find the strength of the magnetic field inside the solieodAn electron moves at a speed of 15000 m/s in a circular path of radius 2.2 cm. Find the strength of the magnetic field inside the solieod |

## Compute how much of the height of the cylinder is in the oilA solid cylinder (radius = 0.160 m, height = 0.200 m) has a mass of 14.6 kg. This cylinder is floating in water. How much of the height of the cylinder is in the oil |

## What will be its density at that stageA 0.900-V potential difference is maintained across a 1.50-m length of tungsten wire that has a cross-sectional area of 0.600 mm2. What is the current in the wire. |

## What is the radius of curvature of the smaller mirrorParallel light from a distant object strikes the large mirror in the figure and is reflected by the small mirror that is 2.528 m from the large mirror, What is the radius of curvature of the smaller mirror |

## By what factor is the moment of inertia increasedIf the mass of a wheel is increased by a factor of 6, by what factor is the moment of inertia increased |

## Energy transfer between electrical and heat energyWhat are the errors in the energy transformation using electrically heated calorimeter experiment (energy transfer between electrical and heat energy) ? ( container was closed and there was an outer covering to the metal to prevent heat loss) |

## How big is the friction force on the truckA 4200 kg truck is parked on a 24° slope. How big is the friction force on the truck |

## What is the magnitude of their vector sumThree vectors have the same magnitude of 12 units. They make angles of ?, 2 times ? and 3 times ? with respect to the x axis, where ? = 16 o. What is the magnitude of their vector sum |

## Find the speed of the electron when it reaches given pointAn electron is moving east in a uniform electric field of 1.55 directed to the west. What is the speed of the electron when it reaches point B, which is a distance of 0.380 east of point A |

## How many atoms are expected to decayA sample contains 3.5Ã-1019 radioactive atoms with a half life of 10000 years. How many atoms are expected to decay in the first second |

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