Asked by Krystal

A ball is attached to the moving end of the 5-meter arm of a pendulum. The pendulum swings through a 90 degree arc once. How far in meters, does the ball travel?

Answers

Answered by drwls
(pi/2) * R, where R = 5 meters

That is 1/4 of the circumference of a circle with radius R
Answered by RaNae
1/4 divided by 3.14 x 10 is 7.9 meters
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