Consider a solid, rigid spherical shell with a thickness of 100 m and a density of 3900 kg/m3. The sphere is centered around the sun so that its inner surface is at a distance of 1. 50×1011 m from the center of the sun. What is the net force that the sun would exert on such a dyson sphere were it to get displaced off-center by some small amount? express your answer numerically in newtons.

The recommended daily calcium intake for a 20-year-old is 1,000 milligrams (mg). one cup of milk contains 299 mg of calcium and one cup of juice contains 261 mg of calcium. which of the following inequalities represents the possible number of cups of milk m and cups of juice j a 20-year-old could drink in a day to meet or exceed the recommended daily calcium intake from these drinks alone?

All businesses can discriminate against workers based on a nation of origin b. immigration status c. mental disability d ane

Did the universe cool off or get hotter as it expanded after the 'big bang"?