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For a vehicle in gravitationless space determine the mass ratio necessary to boost the vehicle velocity by a 1600 msec and

 For a vehicle in gravitationless space, determine the mass ratio necessary to boost the vehicle velocity by (a) 1600 m/sec and (b) 3400 m/sec; the effective exhaust velocity is 2000 m/sec. If the initial total vehicle mass is 4000 kg, what are the corresponding propellant masses?

2. Determine the burnout velocity and burnout altitude for a dragless projectile with the following parameters for a simplified vertical trajectory:  = 2209 m/sec; mp /m0 = 0.57;tp = 5.0 sec; and u0 = 0; h= 0. Select a relatively small diameter missile with L/D of 10 and an average vehicle density of 1200 kg/m3.

 

Jul 23 2020 View more View Less

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