A 1200 n uniform boom is supported by a cable perpendicular, Ask an Expert

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Q. A 1200 N uniform boom is supported by a cable perpendicular to the boom, as in Figure P8.28. The boom is hinged at the bottom, and a 2000 N weight hangs from its top. Find the tension in the supporting cable and the components of the reaction force exerted on the boom by the hinge.

Q. In 1989, Carl Lewis established a world record when he ran the 100.0 meter dash in 09.92 seconds. What was his average speed (in m/s) for the race?

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