Answer to Question #254627 in Classical Mechanics for aza

Question #254627
A truck is moving north at a speed of 70 km/h. The exhaust pipe above the truck sends out a trail of smoke that makes an angle of 20o east of south behind the truck. If the wind is blowing directly toward the east, what is the wind speed at that location?
1
Expert's answer
2021-10-24T18:22:05-0400

"v_w=v_t\\tan 20\u00b0=25.5~\\frac{km}h."


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