#15 13. 315 5 inches 15. Arc Length The minute hand of a clock is l 2 centimeter

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#15

13. 315 5 inches 15. Arc Length The minute hand of a clock is l 2 centimeters long. How far does the tip he minute hand travel in 40 minutes? 16. Are Length The minute hand of a clock is 4.5 centimeters long. How far does the tip be minute hand travel in 20 m 17 Arc Length A satellite 200 miles a the earth isorbiting the earth once every hours. How lar does the satellite travel in hour? (Assume the radius of the earth is 4.000 miles. Give your answer as both an exact value and an approximation to three

Explanation / Answer

In 60 mins it covers 2pi radians

In 40 mins it covers 2pi *40/60 radians=4pi/3

s=r * theta

s=1.2 *4pi/3=1.6pi cm

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