Chemistry, 25.09.2021 01:10 annaclaire22
Two balls are at the same time height and released at the same time. One ball is dropped and hits the ground 5 s later. The other initially moves horizontally. When does the second ball hit the ground? How far does it travel horizontally?
Answers: 3
Chemistry, 23.06.2019 01:20
Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)
Answers: 1
Chemistry, 23.06.2019 10:30
4al + 3o2 → 2al2o3 what does the "3" in front of o2 stand for? a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. c) it indicates that there are 3 oxygen molecules chemically bonded to each other in the reaction. d) it indicates that there are 3 separate oxygen molecules in the reaction.
Answers: 2
Two balls are at the same time height and released at the same time. One ball is dropped and hits th...
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