You\'ve taken your neighbors young child b tie carnival to ride the rides. She w

Question

You've taken your neighbors young child b tie carnival to ride the rides. She wants to ride The Rocket Eight rocket shaped cars hang by chains from the outside. edge of a large steel disk. A vertical through the center of the ride turns the disk. causing the cars to revolve in a circle. You've just finished taking physics, so you decide to figure out the speed of the cars while you wait. You estimate that the disk is 6 m in diameter and chains are 6 m long. the ride takes 10 s to reach full speed, then the cars swing out until the chains are 30degree from vertical. What is the car's speed?

Explanation / Answer

R = 3.0+3.0 = 6.0m .. agreed

From vector diagram, horizontal force .. F(h) = mg tan30

F(h) provides the centripetal force mv²/R ..

mv²/R = mg tan30

v = (Rg tan30) = (6.0 x 9.80 x tan30)

v = 5.826 m/s

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