Magnitude of the angular momentum of the rotor
A net torque of magnitude 500 Nm is exerted on the rotor of an electric generator for 29 s. What is the magnitude of the angular momentum of the rotor at the end of 29 s if it was initially at rest?
Answer in units of kgm2/s
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A swimming pool has dimensions 24.0m x 13.0 m and a flat bottom. When the pool is filled to a depth of 1.50m with fresh water, what is the force caused by the water on the bottom?
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Certain car battery with a 12.0 V emf has an initial charge of 132 A·h. Assuming that the potential across the terminals stays constant until the battery is completely discharged, for how long in hours can it deliver energy at the rate of 1
Describe the Muslim presence in Africa in the 18th and 19th century.How did Muslims make their money? How did they spread their influence? What areas of Africa were under Muslim control?
They then both turn around the spindle with their centers superposed. What is the angular frequency in rev/s of the combination?
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A 20 kg block is stacked on top of the 20 kg block. Both blocks are glued together. What is the magnitude F of the force, acting horizontally on the two blocks, that is required to make the two blocks start to move?
Discuss the relationship between ill-structured problems and approaches to monitoring. Then, describe a real or hypothetical problem and recommend at least one effective way to monitor the policy outcomes. Support your position.
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