Assume that the orbit of the moon about the earth is a perfect circle with a center-to-center distance from the earth to moon of 3.84 x 10^8 m. (A)What is the gravitational force between the earth and the moon? (B)What is the speed of the speed of the moon in its orbit? Give your answer in meters per unit.
a. (A) 1.99 x 10^22 N (B) 1.99 km/s
b. (A) 1.99 x 10^20 N (B) 1.02 km/s
c. (A) 1.02 x 10^22 N (B) 1.99 km/s
d. (A) 199 x 10^2 N (B) 1.02 km/s
2006-07-20 04:13:18 · 3 answers · asked by Lou 1 in Science & Mathematics ➔ Other - Science
Just by looking at the answers I can pick b) as the correct one without doing any calculations. After doing calculations - yes, b is the correct one.
2006-07-20 06:40:45 · answer #1 · answered by Vic 2 · 1⤊ 0⤋
So, obviously you didn't do the test properly - naughty, naughty! I choose C!
2006-07-20 11:38:38 · answer #2 · answered by Sami V 7 · 0⤊ 0⤋
I think the answer is c
2006-07-20 11:17:38 · answer #3 · answered by genocyber69 3 · 0⤊ 0⤋