5. The angle of elevation of a Jet plane from apoint A on the ground i – InterviewSolution

1.	5. The angle of elevation of a Jet plane from apoint A on the ground is 60°. After a flight of15 seconds, the angle of elevation changes to30. If the Jet plane is flying at constant heightof 1500/3 m. Find the speed of Jet plane in[CBSE March 2012]km/h.
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