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Problem: A 1.0 centimeter diameter pipe widens to 3 centimeter, then narrows to 6.8 millimeter. Liquid flows through the first segment at a speed of 3.0 meter per second.
Part a) Obtain the speed in the second and third segments?
Part b) Find what is the volume flow rate through the pipe?
If John Glenn weighed 640N on Earth's surface, i) how much would he have weighed if his Mercury spacecraft had (hypothetically) remained at twice distance from the center of the Earth? ii) Why is it said that an astronaut is never truly weightless..
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A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.87 V and a current of 3.2 A are induced in the coil. The wire is the re-formed into a single-turn square coil, ..
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