Fuel aboard a rocket has a density of 2870 kgm3 and is
Fuel aboard a rocket has a density of 2870 kg/m^3 and is ejected with a speed of 2650 m/s. if the engine is to provide a thrust of 1.21 x 10^6 N, what volume of fuel must be burned per second? Answer in units of m^3/s.
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a moving particle encounters an external electric field thatdecreases its kinetic energy from 9820 evto 7470 ev as the
two forces act on a 24-kg object one force has magnitude 65 n directed 59deg clockwise from the positive x-axis and the
the uniform beam below is 40meters long and has mass 300kg find the tension in the rope and the force exerted by the
a speedboat starts from rest and accelerates at 215ms2nbspfor 835 s at the end of this time the boatcontinues for an
fuel aboard a rocket has a density of 2870 kgm3 and is ejected with a speed of 2650 ms if the engine is to provide a
a scout troop is practicing its orienteering skills with a map andcompass first they walk due east for 12 km nextthey
power to a cooling fan is turned off when it is turning at 720rpm the fan makes 1350 revolutions before it comes to
a baseball is thrown horizontally from from a height of 4410 mabove ground with a speed of 335 ms where is the
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