2/5 = .4
.4*100= 40%
Alex spends more time
Answer:
520000 or 520000 pa
Force = 520N
Area of contact = 0.001
Pressure: 520000 or 520000
Atoms diameter are on the order of 60 to 600pm (picometers). This is around 6*10^-11.
As you go from Radio waves across to Gamma eats : Wavelength decreases and frequency and energy increase.
