You are on a cruise ship traveling north at a speed of 14 m/s with respect to la

Question

You are on a cruise ship traveling north at a speed of 14 m/s with respect to land.

1. If you walk north toward the front of the ship, with a speed of 3.4 with respect to the ship, what is your velocity with respect to the land?

2. If you walk south toward the back of the ship, with a speed of 3.6 with respect to the ship, what is your velocity with respect to the land?

3. Your friend is sitting on another cruise ship traveling south at 15 m/s. As you walk toward the back of your ship at 3.6 m/s, what is your velocity with respect to your friend?

Explanation / Answer

1.) v you/land = v you/ship + v ship/land = 14 + 3.4 = 17.4

2. v you/land = 14 - 3.6 = 10.4 m/s

3. v you/friend = v you/land + v land/ship

but vland/ship = -v ship/lan

v you/friend = v you/land - v ship/land = 10.4 - (-15) = 25.4 m/s

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