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| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago |
| Questions Answered: | 66690 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016

The safe is transported on a platform which rests on rollers, each having a radius r. If the rollers do not slip, determine their angular velocity
if the safe moves forward with a velocity v.
| A. | = v/(2r) |
| B. | = v/r |
| C. | = 3v/r |
| D. | = 2v/r |
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19.

The oil pumping unit consists of a walking beam AB, connecting rod BC, and crank CD. If the crank rotates at a constant rate of 6 rad/s, determine the speed of the rod hanger H at the instant shown.
| A. | vH = 17.76 ft/s |
| B. | vH = 16.20 ft/s |
| C. | vH = 18.00 ft/s |
| D. | vH = 16.42 ft/s |
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