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PHYSICSChoose the correct answerA 1000 kg rocket is fired from the surface of earthso that its exhaust speed is 1000 m/s relative torocket. If initial acceleration of the rocket is5 m/s2 then mass of fuel burning per second is(Take g 10 m/s2)(1) 15 kg/s(3) 10 kg/s49-5kg/s (-(4) 20 kgls6.2The magnitude of tension in the horizontal string |
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Answer» dm/dt*V = m*a => dm/dt = 1000*5/1000 = 5kg/s |
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