While visiting friends at Cal State Chico, you pay a visit to the Crazy Horse Sa

Question

While visiting friends at Cal State Chico, you pay a visit to the Crazy Horse Saloon. This fine establishment features a 200- kg mechanical bucking bull that has a mechanism that makes it move vertically in simple harmonic motion. Whether the “bull” has a rider or not, it moves with the same amplitude 2.82 m and frequency 0.297 Hz. Being from Texas you decide to ride it the “macho” way by NOT holding on. To no ones surprise you go flying out of the saddle. While waiting for your bruises and pride to heal, you decide to calculate how fast upward you were moving when you left the saddle.

Answer should be: .34 m/s

Explanation / Answer

Amplitude, A = 2.82 m

The frequency = 0.297 Hz

The half of the above value gives the time taken for the bull to travel from the bottom of its

trough to the top of its crest, t = 0.1485 sec

So velocity = displacement / time = 5.64/0.1485 = 37.9 m/s

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