Homework Help: physics

Posted by Annie on Wednesday, March 14, 2012 at 5:50pm.

A blimp is traveling due North at 80km/hr with respect to the air, while the wind is blowing from northeast at 25km/hr with respect to the ground. What is the velocity of the blimp with respect to the ground? Thanks.

physics - Elena, Wednesday, March 14, 2012 at 6:11pm
v= v (blimp) – v(wind) •cosα = 80 - 25cos45o = 62.32 km/hr

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