You are on a boat in the middle of the Pacific Ocean at the equator traveling in a hydrofoil going at a constant speed of 300 m/s. The water is perfectly still. What is your acceleration: a) If you’re heading due North? b) If you’re heading due East? c) If you’re heading straight up (something probably went wrong at this point). You may assume the following: The earth has a radius of 6371 km. The earth makes one full revolution every 24 hours. The gravitational constant at sea level is 9.81 m/s2. East and North are relative to the Earth’s axial north, not magnetic north.

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