A 50-kg child riding a Ferris wheel (radius = 10 m) travels in a vertical circle. The wheel completes one revolution every 10 s. What is the magnitude of the force on the child by the seat at the highest point on the circular path?

a. 0.29 kN
b. 0.49 kN
c. 0.69 kN
d. 0.20 kN
e. 0.40 kN


a

Physics & Space Science

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What will be an ideal response?

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An Olympic skier moving at 19.5 m/s down a 17.0° slope encounters a region of wet snow, of coefficient of friction ?k = 0.740 . How far down the slope does she go before stopping?

a. 56.7 m b. 46.7 m c. 56.1 m d. 36.7 m e. 37.4 m

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