A team plans to accelerate a probe of mass (2.0 mathrm{~kg}) away from the far side of

Question:

A team plans to accelerate a probe of mass $2.0 \mathrm{~kg}$ away from the far side of the Moon by a bank of lasers that push the probe with the constant force $F$ in the rest frame of the Moon. What $F$ would be required to accelerate the probe to velocity $0.9 c$ in one week?

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