A boat sails along the shore. To an observer, the boat appears to move at a speed of 22 m/s, and a man on the boat walking forward appears to have a speed of 23.1 m/s. How long does it take the man to move 3 m relative to the boat?

Question

Maximus Stewart

Physics

23 July, 16:12

A boat sails along the shore. To an observer, the boat appears to move at a speed of 22 m/s, and a man on the boat walking forward appears to have a speed of 23.1 m/s. How long does it take the man to move 3 m relative to the boat?

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Irvin Mckay · Answer 1

the boat is moving at 22 m/s while the man is moving at 23.1 m/s. That means the man, relative to the boat, is moving at 23.1-22 = 1.1 m/s. v=d/t, so t = d/v - - > t = 3/1.1 = 2.7 s