How deep would you have to go
in a mine shaft to reach a pressure
of 2.00 atm? (assume the density
of air remains a constant
1.29 kg/m^3.)
(unit = m)

Protons and neutrons are found within the nucleus of an atom

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45∘. what percentage of the initial intensity is transmitted by the system?