3 Answer all the questions. SECTION A – Module P1 Surfers use water waves on the sea to move fast.
Look at the diagram of the water waves on the sea.
displacement
1
distance = 40 m
The surfer travels at the same speed as the water waves. The water waves have a frequency of 0.25 Hz. Use the information in the diagram to find the wavelength of the waves and calculate the speed of the surfer. .......................................................................................................................................................... .......................................................................................................................................................... answer .................................................. m/s
[2] [Total: 2]
Š OCR 2013
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