Physics, 03.12.2019 21:31 710jonathan
Fas its 2o points
the graph below shows a velocity vs. time graph. a graph with horizontal axis time (seconds) and vertical axis velocity (meters per second). a straight line runs from 0 seconds 10 meters per second to 5 seconds 2 meters per second. which graph would match the same type of movement that the graph shows? a graph with horizontal axis time (seconds) and vertical axis position (meters). a straight line runs from 0 seconds 0 meters upward. a graph with horizontal axis time (seconds) and vertical axis position (meters). a concave line runs from 0 seconds 0 meters upward. a graph with horizontal axis time (seconds) and vertical axis position (meters). a straight line runs from 0 seconds some positive number meters upward downward to some positive number of seconds 0 meters. a graph with horizontal axis time (seconds) and vertical axis position (meters). a convex line runs downward from 0 seconds some positive number of meters to some positive number of seconds 0 meters.
Answers: 2
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Engines for propeller-driven aircraft are limited in their maximum rotational speed by the fact that the tip speed of the propeller must not approach the speed of sound in air (mach i). taking 6 ft as a typical diameter for a propeller of a light airplane and 1100 fils as the speed of sound, find the upper limit on the rpm (revolutions per minute) of the propeller shaft.
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Fas its 2o points
the graph below shows a velocity vs. time graph. a graph with horizontal a...
the graph below shows a velocity vs. time graph. a graph with horizontal a...
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