Round your answer to two decimal places.
-The gravitational attraction A between two masses varies inversely as the square of the distance between them. The force of attraction is 2.25 lb when the masses are 4 ft apart, what is the attraction
When the masses are 6 ft apart?
A) 3 lb
B) 2 lb
C) 4 lb
D) 1 lb

Question

Quizplus · Accepted Answer

The gravitational force varies inversely with the square of the distance, so A = k/d^2. Given A = 2.25 lb at d = 4 ft, k = 2.25 * 4^2 = 36. For d = 6 ft, A = 36/6^2 = 1 lb.

Round Your Answer to Two Decimal Places