Monday, July 4, 2011

Worksheet 1 Example 3 - Yi Lin

a) speed of wave pulse
= wavelength ÷ period
= 90cm ÷ 1.96s
= 53.3cm/s [3SF]

b) Yes, when we change the tension of the wave pulse

-No change-









-After change-









As wavelength is shorter, speed will change.
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