# physics

A Ferris wheel with radius 8.8 m rotates at a constant rate, completing one revolution every 34.6 s. Suppose the Ferris wheel begins to decelerate at the rate of 0.212 rad/s2 when a passenger is at the top of the wheel. Find the magnitude and direction of the passenger's acceleration at that time.

asked by Anonymous
1. There will be backward tangential acceleration at a rate 0.212 rad/s^2*R, and downward acceleration of V^2/R. Gravity is not accelerating him unless he jumps off.

Add the two accelerations vectorially. They are perpendicular.

posted by drwls
2. Hi: I need help with the following physics problem. Can you explain it to me? Thank you,
The fastest measured pitched baseball left the pitcher's hand at a speed of 50.0 . If the pitcher was in contact with the ball over a distance of 1.50 and produced constant acceleration, (a) what acceleration did he give the ball, and (b) how much time did it take him to pitch it?

posted by Dave

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