Light from a certain lamp is brightest at a wavelength of 550 nm. What is the photon energy for light at that wavelength? a. 2.25 eV
b. 5.92 eV
c. 1.88 eV
d. 3.18 eV

You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. naturally, you remove it to a safer place. but before you do, you observe it as it moves from position xi = -92.9 cm to position xf = -64.9 cm along the rail, as measured from a point where one rail abuts the next. what is the snail\'s displacement δx in centimeters?

How many hydrogen (h) atoms are in one molecule of sulfuric acid, h2so4? (1 points) 1 2 4 7

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?