PHYS-408 Fall 2008 Mastering Physics Assignment #3 Solutions Problem 16.8 An element in its solid phase has mass density 1750 (kg)/m3 and number density 4.39 * 1028 (atoms)/ m3. (a) What is the element's atomic mass number? If we have one meter cubed
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Absolute Zero Physics 408
Abstract: The goal of this experiment is to calculate absolute zero by taking pressure readings of a closed container, filled with air, at different temperatures. Our result for absolute zero was -366.67*C. However, this is
Specific Heat
Abstract: The goal of this experiment is to calculate specific heat, the amount of calories required to raise one gram of a substance by one degree Kelvin, by putting the hot, unknown metal into cool water in an isolated system (two St
PHYS-408 Fall 2008 Mastering Physics Assignment #2 Solutions Problem 15.6 (a) What volume of water has the same mass as 8.0 m3 of ethyl alcohol? The density of water and ethyl alcohol is given in table 15.1, w = 1000kg /m 3 and e = 790kg /m 3 . The
PHYS-408 Fall 2008 Mastering Physics Assignment #4 Solutions Problem 17.2 (a) How much work is done on the gas in the process shown in the figure? The work is just the negative of the area under the path. This can be done analytically, or you can jus
PHYS-408 Fall 2008 Mastering Physics Assignment #5 Solutions Problem 18.3 (a) At what pressure will the mean free path in room-temperature 20 degree(s) C nitrogen be 1.0 m?
1 N 4 2 r 2 V For an ideal gas, pV = NkB T N p = V kB T 1 = p 2 4 2 r
PHYS-408 Fall 2008 Mastering Physics Assignment #6 Solutions Problem 20.12 The displacement of a wave traveling in the positive x-direction is D ( x, t ) = ( 3.5 (cm) ) sin ( 2.7x-124t ), where x is in m and t is in s. (a) What is the frequency of th
PHYS-408 Fall 2008 Mastering Physics Assignment #7 Solutions Problem 21.11 A 121-cm-long, 4.0 g string oscillates in its m =3 mode with a frequency of 180 Hz and a maximum amplitude of 5.0 mm. (a) What is the wavelength in the string?
The first mode
PHYS-408 Fall 2008 Mastering Physics Assignment #8 Solutions Problem 26.35 Two 1.0 g spheres are charged equally and placed 2.0 cm apart. When released, they begin to accelerate at 150 m/s2. (a) What is the magnitude of the charge on each sphere?
Fr