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What kind of microscope would you use to view ribosomes in a prokaryotic cell? What about to view the outside surface of a eukaryotic cell? Couldn't you use a compound light microscope?
A juniper-wood plank measuring 0.32 ft by 1 ft by 12 ft is totally submerged in water. (a) What is its weight? (b) What is the buoyant force acting on it? (c) What is the size and the direction of the net force on it?
The transition matrix T(x'; x) defined by a complete update of all variables in some fixed order does not satisfy detailed balance. If the updates were in a random order, then T would be symmetric. Investigate, for the t ...
Calculate the minimum thickness of a soap bubble film that results in constructive interference in the time reflected light if the film is illuminated with light whose wavelength in free space is λ = 600nm. The index of ...
Finding the partition function Z of a probability distribution is a difficult problem. Many Markov chain Monte Carlo methods produce valid samples from a distribution without ever finding out what Z is. Is there any prob ...
What is the maximum efficiency that a heat engine could have when operating between the normal boiling and freezing temperatures of water?
As you run toward a stationary trumpet player at 5.00 m/s, you hear a tone at a frequency of 530 Hz. Find the frequency you would hear if you stood still. Take 342 m/s for the speed of sound in air.
Urn A contains three balls: one black, and two white; urn B contains three balls: two black, and one white. One of the urns is selected at random and one ball is drawn. The ball is black. What is the probability that the ...
When the student flicks a 10.0 g marble, its position vector is as follows r(t) = (0.2 m/s³) t³ - (0.1 m/s) t. Find its momentum as a function of time. What is the momentum and net force acting on the marble at t = 3 sec ...
Question 1: The area of the Earth's surface is approximately 516 X 10 6 km 2 . What is the weight of the entire atmosphere in tonnes? Express your answer using scientific notation, in units of 10 12 tonnes. Answer: ...
Starting from rest, a runner reaches a speed of 2.7 m/s in 2.0 s. In the same 2.0 s time, a motorcycle increases speed from 38.0 to 43.0 m/s. In both cases, assume the acceleration is constant. (a) What is the accelerati ...
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SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless
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Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen
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