Physics, 05.05.2020 09:40 angeldaughter0620
Show your work and resoning for the below requirement.
The automatic flag raising system on a horizontal flagpole attached to the vertical outside wall of a tall building has become stuck. The management of the building wants to send a person crawling out along the flagpole to fix the problem.
Because of your physics knowledge, you have been asked to consult with a group to decide whether or not this is possible.
You are all too aware that no one could survive the 250 foot fall from the flagpole to the ground. The flagpole is a 120 lb steel I-beam which is very strong and rigid. One side of the flagpole is attached to the wall of the building by a hinge so that it can rotate vertically. Nine feet away, the other end of the flagpole is attached to a strong, lightweight cable.
The cable goes up from the flagpole at an angle of 30° until it reaches the building where it is bolted to the wall. The mechanic who will climb out on the flagpole weighs 150 lbs including equipment. From the specifications of the building construction, both the bolt attaching the cable to the building and the hinge have been tested to withstand a force of 500 lbs.
Your boss wants to know if the mechanic will be OK at the far end of the flagpole, nine feet from the building.
Answers: 2
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You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?
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When flexing to a reflective style, one should be specific, brief and to the point, and maintain a fast and decisive pace?
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Show your work and resoning for the below requirement.
The automatic flag raising system on a...
The automatic flag raising system on a...
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