Monday
December 9, 2013

# Posts by sydney

Total # Posts: 322

Earth's Heat Resources
How is the energy that reaches earth's surface returned to space? is is by radiation?

Earth's Heat Resources
list 3 examples of natural activities or events that carry thermal energy from within Earth directly to Earth's surface. I dont get what kinds of activities its referring to.

Energy Transfer in Natural Systems
thanks for the information bobpursley, ill keep all that in mind, thanks a bunch:)

Energy Transfer in Natural Systems
If u reach into a hot oven to remove a pizza, ur arm is not burned by the hot air but would be burned if u touched the pan. Explain. If u reached into a hot oven to remove a pizza, ur arm would not get burned by the hot air, instead it would get burned if u touched the pan bec...

Energy Transfer in Natural Systems
A = III B = II C = II D = I

Energy Transfer in Natural Systems
Match each example to a heat mechanism. Terms may be used more than once. EXAMPLES: A. Water is heated on a stove. B. You feel cold near a closed window. C. You feel cool air at your feet when you open the refrigerator. D. A blacksmith dips red-hot steel into a bucket of water...

unit conversion
what is .07g/cm3 in kg/m3?

Physics, URGENT!!!
We consider tobacco virus diffusing along a 0.47 m long tube filled with water. The cross-sectional area of the tube is unknown. The diffusion coefficient is found in Table 10.5, p. 319 in the textbook. A total amount of virus of 2.6 x 10-16 kg is transported in a steady state...

Physics
A bathysphere used for deep sea exploration has a radius of 1.50 m and a mass of 1.20 × 104 kg. In order to dive, the sphere takes on mass in the form of sea water. a) Determine the mass the bathysphere must take on so that it can descend at a constant speed of 1.20 m/s...

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