from a homework

Degree Level: Pre-College

 

Question:

A tall sailing ship (m = 1.43 x 10^4 kg) is initially at rest. A steady wind blows at the 60.0° angle shown in the diagram and moves the ship forward a distance of 850 m.

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The ships final speed is 9.0 m/s. What is the average force of the wind?

Answer:

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