well doin lots of problems for finals and posting the ones i cant get...again im havin trouble with this reflection stuff(adsbygoogle = window.adsbygoogle || []).push({});

A solar sail of area A=200m^2 is at a distance 1.46e8 km from the sun. suppose the power of the sun is 10^20 kw and the sail is perfectly reflecting ( think you use f=2IA /c ) mass is 10kg, calculate the accel of the sail at this point in space...

again not sure here... how you get it

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Another old exam problem

**Physics Forums | Science Articles, Homework Help, Discussion**