Answer:
high tension: 4.2 Ă— 1.5 = 6.3 cm/s
medium tension: 2.8 Ă—1.5 = 4.2 cm/s
low tension: 0.8 Ă— 1.5 = 1.2 cm/s
Explanation: Given Settings:
amplitude: 0.75 cm
damping: zero
Using
Speed = frequency Ă—wavelength
Where
Wavelength = 0.75 Ă— 2 = 1.5 cm
Therefore:
high tension: 4.2 Ă— 1.5 = 6.3 cm/s
medium tension: 2.8 Ă—1.5 = 4.2 cm/s
low tension: 0.8 Ă— 1.5 = 1.2 cm/s