PISA 2012 Released
Items
Question 4: POWER OF THE WIND
PM922Q04 – 0 1 2 9
What is the maximum speed that the ends of the rotor blades for the wind
power
station move? Describe your solution process and give
the result in
kilometres per
hour
(km/h). Refer back to the information about the E-82 model.
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Maximum speed: ................................... km/h