A 600 kg rocket is set for vertical firing the exhaust speed is 800 mls to given an initial upward acceleration of20 m/s2, the amount of gas ejected per second to supply .. The needed thrust will be
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Final Answer: 22.5kg/s
Mass of Rocket, m = 600kg
acceleration, a = 20m/s^2
Exhaust speed, v = 20m/s
We know that,
ma = vdm/dt - mg
=> a +g = v/m dm/dt
=> 20+10 = 800/600 dm/dt
=> dm/dt = 22.5kg/s
The amount of gas ejected per second to supply the thrust needed to overcome the weight of rocket is 22.5kg/s .
Mass of Rocket, m = 600kg
acceleration, a = 20m/s^2
Exhaust speed, v = 20m/s
We know that,
ma = vdm/dt - mg
=> a +g = v/m dm/dt
=> 20+10 = 800/600 dm/dt
=> dm/dt = 22.5kg/s
The amount of gas ejected per second to supply the thrust needed to overcome the weight of rocket is 22.5kg/s .
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