Find the tension in the guy wire
The boom in the figure below weighs 2600 N and is attached to a frictionless pivot at its lower end. It is not uniform; the distance of its center of gravity from the pivot is 35.0 % of its length. Find the tension in the guy wire.
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Calculate the kinetic energy acquired by a 11 kg nail when it is struck by a 530 kg hammer moving with an initial speed of 4.4m/s.
Two banked curves have the same radius. Curve A is banked at an angle of 12.3°, and curve B is banked at an angle of 19.2°. A car can travel around curve A without relying on friction at a speed of 17.0 m/s. At what speed can this car trav
Write 1 and a half page letter addressed to both major presidential nominees for the upcoming election in November. Offer them advice about what you think they should be focusing on as they campaign across the country giving speeches.
he three of them run a relay with each covering a distance L at maxium speed. What is the average speed of this relay team?
A radar station locates a sinking ship at range 15.5 km and bearing 136° clockwise from north. From the same station, a rescue plane is at horizontal range 19.6 km, 147° clockwise from north, with elevation 2.25 km. Write the displacement
A to point B in a uniform electric field of magnitude E parallel to the field lines, what is the work done by the electric field on the charge?
Suppose you have been hired to manage human resource for a small dot-com start-up. the 12-person company has spent the last year preparing to launch on the internet , and the companys two founders realize that they will need to prepare for the
How many excess electrons make up this charge? What is the percentage of the mass of these excess electrons to the mass of the penny?
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You are a social worker working with foster children. You are making a home visit to Katie, age nine, and her foster family.
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