physics
posted by jack .
In 1976, the Lockhead SR17A Blackbird set the record speed for any airplane: 3.53x10^3 km/h. suppose you observe this plane ascending at this speed. For 20.0s, it flies at an angloe of 15.0 degrees above the horizontal, then for another 10.0s its angle of acsent is increased to 35 degrees. calculate the plane's total gain in altitude, its horizontal displacement, and its resultant displacement.
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