A 600 kg rocket is for a vertical firing. If the exhaust speed is 100 m/s, the gas ejected per second to supply the thrust needed to overcome the weight of rocket is=?
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F=mg=vdm/dt
dm/dt =mg/v
600×9.8/1000=5.88≈5.9kg/s
dm/dt =mg/v
600×9.8/1000=5.88≈5.9kg/s
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anujana:
your answer incorrect
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Answer:
f=mg=vd m/dt
dm/dt=mg/v
=600×9.8/100
=58.8
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