A rocket is launched from rest at an angle of 53º above the horizontal with an initial speed of 100 m/s. The rocket engine immediately burns and for 3.00 s the rocket moves along its initial line of motion with an acceleration of 30.0 m/s 2 . Then its engine fails, and the rocket proceeds to move in free fall. Find
A
the maximum altitude reached by the rocket,
B
its total time of flight, and
C
its horizontal range. 
Text Solution
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Sol. y max. = 1174.76 m, 36.16 s, 4041.24 m
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