Posted by Sam on Sunday, October 14, 2012 at 10:32pm.
What's your problem here? It's just substituting and some changes in units. By the way, that's pi the Greek letter and not the pie we eat.
Related Questions
math - The mean radius of the Earth is 6.37 x 106 meters (m). Assuming the earth...
earth - The radius of the Earth is approximately 6370 km. If one could dig down ...
Physics - The density of the Earth, at any distance r from its center, is ...
astronomy - Using the densities below, find what percentage of the Earth's ...
physics - The value of g at Earths surface is about 9.8 m/s^2. If Earth ...
Physics - A) Calculate the mass of the sun from the radius of the earth's ...
Chemistry - The mass of the earth is known to be about 5.98 X10^24kg assume that...
physic - Assuming uniform density, how much would 1.1 cubic centimeters of ...
physics-mechanics - A 1.0 kg mass weighs 9.8 N on Earth's surface, and the ...
Physics-mechanics - A 1.0 kg mass weighs 9.8 N on Earth's surface, and the ...
For Further Reading