Asked by kitt
                A 1.8×104 kg rocket has a rocket motor that generates 2.8×105 N of thrust.
What is the rocket's initial upward acceleration?
At an altitude of 5000 m the rocket's acceleration has increased to 6.3 m/s2 . What mass of fuel has it burned?
            
        What is the rocket's initial upward acceleration?
At an altitude of 5000 m the rocket's acceleration has increased to 6.3 m/s2 . What mass of fuel has it burned?
Answers
                    Answered by
            bobpursley
            
    a) F=ma, 
a=*thrust-rocketweight)/mass
 
    
a=*thrust-rocketweight)/mass
                    Answered by
            Yesh
            
    bobpursley missed the fact you would have to take into account gravity. So your answer for the first question is: a = ((2.8*10^5) / (1.8*10^4)) - 9.8
    
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