The main reason for use of stainless steel is resistance to _________.
Fill in the blank(s) with the appropriate word(s).
corrosion
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How can a black hole of a few solar masses be detected?
What will be an ideal response?
Why does Earth have so little carbon dioxide in its atmosphere compared to Venus?
A) Earth once had a lot of carbon dioxide, but it was lost to space during the heavy bombardment early in our solar system's history. B) Chemical reactions turned Earth's carbon dioxide into nitrogen. C) Earth has just as much carbon dioxide as Venus, but most of it is locked up in carbonate rocks rather than being free in the atmosphere. D) Earth's volcanoes outgassed far less carbon dioxide than those on Venus.
If I weigh 741 N on Earth at a place where g = 9.80 m/s2 and 5320 N on the surface of another planet, what is the acceleration due to gravity on that planet?
A) 51.4 m/s2 B) 70.4 m/s2 C) 81.0 m/s2 D) 61.2 m/s2
In a double-slit experiment, the distance between the slits is 0.2 mm and the distance to the screen is 100 cm. What is the phase difference (in degrees) between the waves from the two slits arriving at a point 5 mm from the central maximum when the wavelength is 400 nm? (Convert your result so the angle is between 0 and 360°.)
a. 90° b. 180° c. 270° d. 360° e. 160°