1.6(irodov) a ship moves along the equator to the east with velocity vo=30km/hr .the southeastern wind blows at an angle pie=60 to the equater with velocity v=15km/hr find the wind velocity v' relative to the ship and the angle pie' between the equater and wind direction in the reference frame fixed to the ship

1.6(irodov) a ship moves along the equator to the east with velocity vo=30km/hr .the southeastern wind blows at an angle pie=60 to the equater with velocity v=15km/hr find the wind velocity v' relative to the ship and the angle pie' between the equater and wind direction in the reference frame fixed to the ship

this is my solution

soory for messy handwriting

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