Consider three charged particles arranged in an equilateral triangle with sides of length d. Two of the particles have positive charge +q, and the other has negative charge -q. Find the electric field vector at the triangle's center. Express your answer as a unitless multiple of kq/d^2, where k=1/(4*pi*?0).

Find the temperature inside the furnace : The blackbody radiation emitted from a furnace peaks at a wavelength of 3.4 10-6 m(0.0000034 m). What is the temperature inside the furnace |

Calculate magnetizing current and component to core loss : A 10kVA, 200/400V 50Hz single-phase transformer gave the following test results. O/C test: 200V, 1.3A, 120W, on l.v. side. S/C test: 22V, 30A, 200W on h.v. side. (a) Calculate the magnetizing current and the component corresponding to core loss at .. |

What is the break-even point at each location : At what volume of demand would the manager be indifferent between each of the two cities? What is the range over which each city provides the lowest cost? |

Determine the charge magnitude : Two tiny spheres have the same mass and carry charges of the same magnitude. Determine the charge magnitude |

Find the electric field vector at the triangles center : Consider three charged particles arranged in an equilateral triangle with sides of length d. Find the electric field vector at the triangle's center |

The hydrogen ion concentration relates to energy production : Identify the statements that accurately describe how hydrogen ion concentration relates to energy production in oxidative phosphorylation. ATP synthase provides energy in the form of ATP to actively transport H+ into the mitochondrial matrix. |

Use the internet to conduct research on popular simulation : Use the internet to conduct research on popular simulation modeling software applications. Find two applications to compare by examining the costs, features, and training requirements. |

Free-running frequency of vco must be set to what frequency : PLL can be used to demodulate an FM signal. If you are tuned to an FM station at a frequency of 101.1 MHz, the free-running frequency of the VCO must be set to what frequency |

Magnesium burns in air and forms an oxide and a nitride : When magnesium burns in air, it forms an oxide and a nitride. Write balanced equations for the formation of both compounds. |

## What is the terminal speed of the marbleA boy on board a cruise ship drops a 30.0 g marble into the ocean. If the resistive force proportionality constant is 0.500 kg/s, what is the terminal speed of the marble in m/s? |

## What is the mass of the blockThree uniform thin rods, each of length L = 19 cm, form an inverted U. The vertical rods each have a mass of 12 g; the horizontal rod has a mass of 44 g. What are (a) the x coordinate and (b) the y coordinate of the system's center of mass. |

## Compute for the value of the rydberg constantWhat is the wavelength of the spectral line? B) Assuming this line is from a transition from level n1 = 3 to level n2 = 2 (i.e. the longest wavelength Balmer series transition), what do you calculate for the value of Rydberg constant. |

## What does dissipate meanIf a person can jump a maximum horizontal distance (by using a 45° projection angle) of 2.2 m on Earth, what would be his maximum range on the Moon, where free-fall acceleration is g/6 and g = 9.80m/s2. |

## Compute the heat absorbed by the gasCompute the heat absorbed by the gas and work done by the gas during expansion. |

## Determine the focal length does the lens needA slide projector needs to create a 86 cm high image of a 2.0 cm tall slide, What focal length does the lens need and How far should you place the lens from the slide |

## How far from base of the table did it strike the floorA projectile is fired at an upward angle of 45° from the top of a 308m cliff with a speed of 198 m/s. What will be its speed while it strikes the ground below? (Use conservation of energy.) |

## How fast is she going when she reaches the bottomTwo charged spheres are 8.45 cm apart. They are moved and the force on each of them is found to have been tripled. How far apart are they now. |

## Find out the rms voltage across the resistorA place kicker should kick a football from a point 35m (about 38.0 yd) from the goal, and the ball should clear the crossbar, which is 3.05 m high. When kicked, ball leaves the ground with a speed of 21.0 m/s at an angle of 55° to the horizontal. |

## What is the velocity of ice skater after throwing snowfallWhat is the velocity of the ice skater after throwing the snowball. avoid friction and air resistance. |

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