please let it be legible, thanks in advance Hw 3 P 8 Sam's job at the...

Question

Question

please let it be legible, thanks in advance

Hw 3 P 8

Answer 1

Answer #1

Work - energy principle

Work done by Sam = change in kinetic energy of the boat

W = 0 - 1/2×800×1.8² = -1296 J

Answer 2

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