A truck is moving north at a speed of 70km/hr. The exhaust pipe above the truck cab sends out a trail smoke that makes an angle of 20 degrees East of south behind the truck . If the wind is blowing directly toward the East. What is the wind speed at that location?

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Q: An airplane is heading north at an airspeed of 550 km/hr, but there is a wind blowing from the…

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Q: An airplane is heading north at an airspeed of 650 km/hr, but there is a wind blowing from the…

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