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One of the uses for spectroscopy is to identify properties about space objects: chiefly their temperature, as well as their velocity From this understanding a scientist analyses the spectrum from a star by using spectroscopy, they will see either dark or bright bands in certain locations. This means that certain wavelengths of light are being absorbed or emitted by the star. In this way, the scientist can discover which elements are present in the star. They compare the line spectra of elements to that of the star, and when there are corresponding bright lines, that element is present in the stars.
What is the other feature that a spectrometer can be used for star and galaxy spectrum analysis?
Is there other area where a spectrometer can be utilized?
a current carrying wire of length 0.5m is at the equator. assuming that the magnetic field of the earth has a magnitude
What is the magnification of an astronomical telescope whose objective lens has a focal length of 79 cm and whose eyepiece has a focal length of 2.9 cm ? Follow the sign conventions. Express your answer using two significant figures.
You are given a sample of metal and asked to determine its specific heat. You weigh the sample and find that its weight is 26.0N, What is the sample's specific heat
A centrifuge is a common laboratory instrument that separates components of differing densities in solution. evaluate what is the magnitude of its angular deceleration
An aluminum baseball bat has a length of 0.81 m at a temperature of 20°C. When the temperature of the bat is raised, the bat lengthens by 0.00016 m. Determine the final temperature of the bat.
Also, determine the annual cost of operating this refrigerator if the unit cost of electricity is $0.08/kWh.
Suppose a 0.5-kg mass on a spring that has been compressed 0.1 m has elastic potential energy of 1.2 J. What is the spring constant?
Waves on a 10 meter rope travel at 19 m/s. You shake the rope back and forth until you get a standing wave with a single antinode. What is the wavelength and frequency of each standing wave
An average man can reach a maximum height of about 60 centimeter when jumping straight up from a crouched position. In terms of this jumper's weight W, find what force does the ground exert on him or her during the jump
A device known as Atwood's machine consists of two masses hanging from the ends of a vertical rope that passes over a pulley. calculate the magnitude of their acceleration
Two blocks, masses m1 and m2 are connected by an ideal string passing over an ideal pulley. Find the acceleration of each block
A motorist traveling at 10 meter per second encounters a deer in the road 40 meter ahead. determine the maximum reaction time of the motorist that will allow him or her to avoid hitting the deer
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