Rocket starts here. Rocket is launched 53 upward.
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Q: Analytical mechanics
A:
A 1500 kg rocket is to
be launched with an initial upward
speed of 50.0 m/s. In order to assist
its engines, the engineers will start
it from rest on a ramp that rises 53°
above the horizontal (Fig.).
At the bottom, the ramp turns
upward and launches the rocket
vertically. The engines provide a
constant forward thrust of 2000 N,
and friction with the ramp surface
is a constant 500 N. How far from
the base of the ramp should the
rocket start, as measured along the surface of the ramp?
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