We know that h = 65 ft and the angle of elevation to the top is α = 56°.
x - the length of the support wire;
x · cos 56° = 65
x = 65 / cos 56°
x = 65 / 0.5592
x = 116.237 ≈ 116.2 ft ( to the nearest tenth )
Answer: The support wire is 116.2 ft long.
Answer:
Step-by-step explanation:
We are given the following information in the question:
where, R is the tip speed, T is the speed tip of blade and W is the speed of wind.
We have to find , whem W = 75 km per hour, , T = 150 km per hour
Formula:
Putting all the value, we have:
Answer:
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