Question

Find magnitude of vector sum

Answer 1

θ = 205° - 105° = 100°

`\tt R=√(L^2+M^2+2LMcos\theta)\\\\R=√(303^2+555^2+2.303.555cos100)\\\\R=584.32~m`

Answer 2

An airplane is flying at an airspeed of 200 miles per hour headed on a SE bearing of 140°. A north wind (from north to south) is blowing at 16.2 miles per hour, as shown in Figure 8.8.1. What are the ground speed and actual bearing of the plane?

Step-by-step explanation:

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