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1. |
A rocket of initial mass 6000 kg ejects mass at a constant rate of 16 kg/sec with constant relative speed of 11 km/sec. What is the acceleration of the rocket a minute after the blast? (Neglect gravity) |
A. | \[\text{28}.\text{7 m}/{{\text{s}}^{\text{2}}}\] |
B. | \[\text{34}.\text{9 m}/{{\text{s}}^{\text{2}}}\] |
C. | \[\text{39}.\text{4 m}/{{\text{s}}^{\text{2}}}\] |
D. | \[\text{27}.\text{8 m}/{{\text{s}}^{\text{2}}}\] |
Answer» C. \[\text{39}.\text{4 m}/{{\text{s}}^{\text{2}}}\] | |