Question

Review Icon Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the speed of the blades tips can be quite high-many times higher than the wind speed. A turbine has blades 51 m long that spin at 14 rpm (Figure 1) Part A At the tip of a blade, what is the speed? Express your answer with the appropriate units. Figure 1 of 1 H Value Units Submit Request Answer

Answer 1

Radius =8=5lm Angular speed =W= 148pm lopm 200 27 rad / Acond bo 18pm = I radul 30 w = 14x I raal 30 E tñ raahe 15 A Speed - Va wr 77 XS1 m/46 15 -7x3.14 x 51 m/4C 15 V= 74.73 ml AC B) (7 4.731² Centripetal acceleration == m/4c2 51 ay=109.51 m/4²