Recent content by jabosh7777

This is probably extremely intuitive, but why is it not 4(pi)r^2 or even 2(pi)r^2 since only half would be exposed?

Homework Statement The intensity of the suns' radiation just outside the Earth's atmosphere is approximately 8x10^4 joules/m^2*min Approximately what force does this radiation exert on the Echo II reflecting satellite ballon? Echo II is a spherical shell of radius 20.4 m. Its skins consists...