7. A roller coaster reaches the top of the steepest hill with a speed of 6.80 km/h. It then descends the hill, which is at an average angle of 40° and is 59.0 m long. What will its speed be when it reaches the bottom? Assume Uk = 0.16. m/s

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Chapter1: Units, Trigonometry. And Vectors
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7. A roller coaster reaches the top of the steepest hill with a speed of 6.80 km/h. It then descends the hill, which is at an
average angle of 40° and is 59.0 m long. What will its speed be when it reaches the bottom? Assume Hk = 0.16.
m/s
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Transcribed Image Text:77 X 7. A roller coaster reaches the top of the steepest hill with a speed of 6.80 km/h. It then descends the hill, which is at an average angle of 40° and is 59.0 m long. What will its speed be when it reaches the bottom? Assume Hk = 0.16. m/s E C 4 F T G B MacBook Air H U N J WA M K MOSISO भ command option
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