A cubical box, 5.00 cm on each side, is immersed in a fluid. The pressure at the top surface of the box is 594 Pa and the pressure on the bottom surface is 1133 Pa. What is the density of the fluid?
A)
1,000 kg/m3
B)
1,100 kg/m3
C)
1,220 kg/m3
D)
2,340 kg/m3
E)
12,000 kg/m3
B
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Imagine that you visit an alien world that has an atmospheric composition similar to that of Earth (that is, mostly nitrogen and oxygen) and a surface atmospheric pressure of 1.2 bars. Which of the following statements best describes the effects of this pressure?
a. It will feel quite similar to the atmospheric pressure on Earth. b. It will feel about like the pressure on a high mountaintop on Earth. c. It will feel crushing, like being deep under the ocean. d. It is so low that you'll need to wear a pressurized spacesuit to survive.
The time it takes for one-half of a sample of a radionuclide to decay is called its ______________
Fill in the blank(s) with correct word
Describe two observational tests that support general relativity
What will be an ideal response?
An object is placed 9.5 cm from a lens of focal length 24 cm
(a) Where is the image formed? (b) What is the magnification?