Far in space, where gravity is negligible, a 425kg rocket traveling at 85.0m/s i

Question

Far in space, where gravity is negligible, a 425kg rocket traveling at 85.0m/s in the positive x-direction fires its engines. The figure (Figure 1) shows the thrust force as a function of time. The mass lost by the rocket during these 30.0s is negligible

1. What is the maximum speed?

Far in space, where gravity is negligible, a 425kg rocket traveling at 85.0m/s in the positive x-direction fires its engines. The figure (Figure 1) shows the thrust force as a function of time. The mass lost by the rocket during these 30.0s is negligible 1. What is the maximum speed?

Explanation / Answer

Total momentum = area under the curve = 1/2 * 30*1000 = 15000 kgm/s v = 15000/425 = 35.29 m/s

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