Calculate the time needed for a perfectly spherical balloon
How to calculate the time needed for a perfectly spherical balloon with radius R to become R/2 due to diffusion of the gas inside, which is assumed to be nitrogen, by using Fick's Law of diffusion. Let the Young's Modulus be E.
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An electron in a hydrogen atom falls from a n=4 level to a lower level, emitting light with a wavelneth of 486 nm. What value of n was the lower level to which the electron fell?
Considering realistic efficiencies wherever appropriate, design the core by determining: (1) The number of fuel pellets that would be needed.
Using the approximate results of part (b), calculate the gradient of the potential along the x axis, and show that thenegative gradient is equal to the x component Ex of the electricfield.
In the book Probability and Statisitics for Engineering and the Sciences, chapter 3 problem 54 b, they do some work which I understand and they come up with (4.45, 7.549). Then they say the answer is F(7) - F(4) and pull some answer out of no wher
How to calculate the time needed for a perfectly spherical balloon with radius R to become R/2 due to diffusion of the gas inside, which is assumed to be nitrogen.
For which of the following situations would a repeated-measures study be appropriate? Compare attitude scores for males versus females.
A 47.5 gram sample of a metal at a temperature of 425 degrees C is placed in 1.00 L (1000 g) of water which had an initial temperature of 18 degrees C.
Let X and Y be continuous random variables with joint probability density f (x, y) = (1+4xy)/2, for 0 < x < 1 and 0 < y < 1 f (x, y) = 0, otherwise. Compute the marginal density of X & Y.
Design a method that can be used, considering that the only materials available are strong rope and several pieces of wood having various sizes and lengths.
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