Constants and Units:Physics - MCAT Flashcards
1
Q
What is the magnitude of gravitational acceleration?
A
g = 9.8 m/s^2
2
Q
What is the density of water?
A
p(ro)water = 1000kg/ m^3 = 1 g/ cm^3
3
Q
What is elementary electric charge?
A
e = 1.6 x 10^-19 C
4
Q
What is Coulumb’s constant?
A
k0 = 9 x 10^9 NM^2 / C^2
5
Q
What is the threshold of hearing?
A
I0 = 10^-12 W/ m^2
6
Q
What is the speed of light in a vacuum?
A
c = 3 x 10 ^8 m/s
7
Q
What is atmospheric pressure?
A
Patm = 10^5 pa
8
Q
What is the speed of sound in air?
A
Vsound = 340 m/s
9
Q
What are the visible light wavelengths?
A
400 nm (violet) to 700 nm (red)
