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Solve the all parts of given question:
Question: A train whistle is heard at 290Hz as the train approaches town. The train cuts its speed in half as it nears the station, and the sound of the whistle is then 280 Hz.
Part A: What is the speed of the train before slowing down?
Part B: What is the speed after the train slows down?
Please break down every step and do not skip over anything - I have been at this problem awhile and keep getting hung up. Thanks for the help!
With the help of Archimedes Principle, explain why the weight of an object submerged in a fluid lighter than its weight in the air. determine what is the gravity of Teflon
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a hypodermic needle consists of a plunger of circular cross-section that slides inside a hollow cylindrical syringe.
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Freud believed that certain troubling symptoms might be traced to painful unconscious memories. This led him to suspect that these symptoms resulted from.
Consider n moles of an ideal monatomic gas placed in a vertical cylinder. The top of the cylinder is closed by a piston of mass M and cross-section A. Initially the piston is fixed, and the gas has temperature T0 and volume V0.
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