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The ratio rX/rT of the radius of an unknown nucleus AZX to a tritium nucleus 31T is rX/rT = 1.10. Both nuclei contain the same number of neutrons. Identify the unknown nucleus in the form AZX.
An ideal transformer steps down 120V to 12V and the 2630 turn secondary supplies 12 A. What is the ratio of output power to input power
A cylindrical air tank has dimensions diameter = 0.2m and height 0.8m, Calculate the mass of air in the tank (kg) (have to use ideal gas law, molecular weight of air)
Electrons are accelerated so that their de Broglie wavelength is .083nm. What is the kinetic energy of the electrons so that they have this de Broglie wavelength
A ski jumper starts from rest 59.0 m above the ground on a frictionless track and flies off the track at an angle of 45.0° above the horizontal and at a height of 16.0 m above the ground, What is the maximum altitude she attains after leaving the t..
A string with a mass m = 6.00 g and a length L = 5.00 m has one end attached to a wall; the other end is draped over a small, what is the fundamental frequency of its vibration
A certain metal with atomic mass 2.6 × 10?25 kg has an interatomic bond with length 2.5 × 10?10 m and stiffness 45 N/m. What is the speed of sound in a rod made of this metal
A parallel plate capacitor is made of two parallel disks of metal separaded by a gap. The radius of the disk is 2.0m, the distance between the plates .25m. What is the energy stored in the capacitor
A 4.3 kg rock is initially at rest at the top of a cliff. Assume that the rock falls into the sea at the foot of the cliff and that its kinetic energy is transferred entirely to the water. The specific heat of water is 4186 J/kg·?
q1. you are to program a robotic arm on the assembly line to move in a xy-plane. its first displacement is its second
A carbon dioxide laser is an infrared laser. A CO2 laser with a cavity length of 53.00 cm oscillates in the m=100,000 mode. What is the wavelength of the laser beam
The hydrogen alpha has a 658.28 nanometer wavelength. What is the shifted wavelenght of the Hydrogen alpha light emitted by stars in the Andromeda as viewd from Earth
A 20 kg piece of steel pipe that is 20 cm in diameter, 80 cm long, What is its angular velocity and its total kintetic energy
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