DP Physics (last assessment 2024)

Question 23M.1.HL.TZ2.25

Date	May 2023	Marks available	[Maximum mark: 1]	Reference code	23M.1.HL.TZ2.25
Level	HL	Paper	1	Time zone	TZ2
Command term		Question number	25	Adapted from	N/A

25.

[Maximum mark: 1]

23M.1.HL.TZ2.25

Wind generator X has a maximum power output P_X for a particular wind speed. For the same wind speed, wind generator Y has a maximum power output P_Y.

The blade radius of Y is three times the blade radius of X. Y is twice as efficient as X.

What is $\frac{P_{Y}}{P_{X}}$ ?

A. $\frac{3}{2}$

B. $\frac{9}{2}$

C. $6$

D. $18$

[1]

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Question 23M.1.HL.TZ2.25

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