Global positioning satellites (gps) can be used to determine positions with great accuracy. the system works by determining the distance between the observer and each of several satellites orbiting earth. if one of the satellites is at a distance of 20,000 km from you, what percent accuracy in the distance is required if we desire a 5 meter uncertainty?
%
how many significant figures do we need to have in the distance?

its c its is a mixture of gases

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table

hi,

what occurs during a solar eclipse?

there are small tides across earth.

the moon is between earth and the sun.

p.s. im not sure if the first answer is correct because during a solar ecliphse there are spring tides and i dont know if they are the same.