Compute how high is airplane if sighted at same time
The airplane is sighted at same time by two ground observers who are 2 miles apart and in line with airplane. They report angles of elevation as 10 degrees and 22 degrees. Compute how high is airplane?
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Primarily, prior to the engine is ignited, the rocket sits at rest on top of the spring. Determine how much is the spring compressed? After the engine is ignited, determine the rocket's speed if the spring has stretched 36.0 cm?
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