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According to the Guinness Book of World Records, (1990 edition,

Resolved Question:

According to the Guinness Book of World Records, (1990 edition, p.169) the highest rotary speed ever attained was 2010 m/s (4500 mph). The rotating rod was 15.3 cm (6 in) long. Assume the speed quoted is that of the end of the rod.

A) What is the centripetal acceleration of the end of the rod?

B) If you were to attach 1.50-g object to the end of the rod, what force would be needed to hold it on the rod?

C) What is the period of rotation of the rod?
Submitted: 5 years ago.
Category: Homework
Expert:  Eric M. replied 5 years ago.

I'm sorry, I have to run out so I don't have time to totally re-type my work by hand. I can give you the answer in the meantime but if you need it explained further, please let me know and I'll do so later tonight.

A. 2.6 * 10^7 m/s^2
B. 3.9 * 10^4 N
C. 4.8 * 10^-4 s

Customer: replied 5 years ago.
Please show work later tonight, then I will accept. Thanks again!!
Expert:  Eric M. replied 5 years ago.

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