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1) What color of light do sodium atoms absorb?
2) The white light source in a demonstration emits light because the electrons in its filament get so hot that they vibrate rapidly enough to emit radiation in the visible range. Briefly explain why this produces light that is so different from the light of the hydrogen lamp.
Calculate the volume of a piece of glass and a similarpiece of metal at 0 degrees C. Then do the calculation againat 80 degrees C. This would replicate a glass jar with ametal lid being taken out of the refigerator (which weapproximate with a 0 de..
The mass of a bucket full of water is 15kg it is being pulled up from 15m deep well . Due to hole in the bucket 6kg water flows out of the bucket.
The current in an electric hair dryer is 12A. How many electrons flow through the hair dryer in 5.2 min
A 12-kg block is held against a spring of force constant 1.0 x104 N/m, compressing it a distance of 0.15 m. How fastis the block moving after it is released and the spring pushesit away?
A styrofoam cooler (K = .030 W/mo C) has an average surface area of 0.338 m2 and an average thickness of 2.8 cm. How much heat is required to melt the ice in the cooler
A small round coil of radius 1.00 mm and 20 turns is at the center of a larger round coil of radius of 10.0 cm and 100 turns. Both coils have the same orientation. Find the mutual inductance between these two coils.
Research the forms of clinical and administrative data used in either your own health care organization or the Moreno Medical Center Virtual Organization.
Light of wavelength 480nm falls normally onfour slits. Each slit is 2μm wide and isseperated from the next slit by 6μm. find the angles of any bright interference maxima that lie inside the central diffraction maximum
A beam of light traveling in air is incident on a transparent plastic material at an angle of incidence of 49°. What is the index of refraction of the plastic
A 50 kg rock climber accidentally falls from the side of a rock and freefalls until she is stopped by her 9 m saftey rope. what was the average force felt by the rock climber
Neglect air resistance during the descent. She comes to rest 3.00 m under the surface of the water. Identify the average force that the water exerts on the diver. This force is nonconservative.
A red ball is thrown down with an initial speed of 1.1 m/s from a height of 28 meters above the ground. How long does it take the red ball to reach the ground
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