Question: A (550 mathrm{~kg}) elevator accelerates upward at (1.2 mathrm{~m} / mathrm{s}^{2}) for the first (15 mathrm{~m}) of its motion. How much work is done during

A $550 \mathrm{~kg}$ elevator accelerates upward at $1.2 \mathrm{~m} / \mathrm{s}^{2}$ for the first $15 \mathrm{~m}$ of its motion. How much work is done during this part of its motion by the cable that lifts the elevator?

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