Question
The radius of the Earth is 6.38 x(10^6)m. How far (path length) does a point on the equator move if the Earth rotates...
a.
20 degrees
b.
20 radians
c.
20 revolutions
a.
20 degrees
b.
20 radians
c.
20 revolutions
Answers
John
Assume this: The Earth rotates exactly around N and S poles, Earth is perfect sphere, and do not count the Earth's orbit around the sun.
HINT: Ө = d/r, where Ө is in radians...and circumference = 2πr
HINT: Ө = d/r, where Ө is in radians...and circumference = 2πr
Charlie
Help me find c.
Ms. Sue
Charlie and John -- and a few others -- you are all using the same computer -- and appearing to be the same person who is talking to himself.
Please don't confuse us with multiple user names.
Please don't confuse us with multiple user names.
Writeacher
Ms. Sue is correct. The games you're playing are a good way to get yourself banned.