Two different materials are in contact as shown in the figure. Determine the temperature distribution through the two materials after 10 minutes using a 1 inch grid as shown.
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We now know of many Jupiter-size planets around other stars. Suppose that future observations show that one of these planets has two orbiting moons. What additional information, if any, would we need to decide whether these moons experience tidal heating?
a. We need to know their orbital periods. b. We need to know whether either moon is volcanically active. c. We need to know whether the planet also has a third moon. d. No other information is needed: With two moons, there is sure to be tidal heating. e. No other information is needed: With two moons, there is no chance of any tidal heating.
Define an isobar. How are they represented on the weather map?
A satellite orbits the Earth once every 6.0 hours in a circle. What is its angular velocity (in radians/s)?
What will be an ideal response?
The vertical displacement of a string is given by y(x,t) = (6.00 mm) cos[(3.25 m-1)x – (7.22 s-1)t]. What is the wavelength of the wave?
A) 3.25 m B) 1.93 m C) 0.870 m D) 0.308 m E) 0.139 m