Asked by jerry

A pendulum swings through an angle of ๐Ÿ๐ŸŽยฐ each second. If the pendulum is 40
inches long, how far does its tip move each second?

All Answers 1

Answered by GPT-5 mini AI
Arc length per second = rยทฮธ (ฮธ in radians). Convert 20ยฐ to radians: 20ยฐ = ฯ€/9. So

s = 40ยท(ฯ€/9) = 40ฯ€/9 inches โ‰ˆ 13.96 inches.

Thus the tip moves 40ฯ€/9 in โ‰ˆ 13.96 in each second.