Question

While riding in your boat, you notice one wave pass by every two seconds. If the actual frequency of the waves is 1 Hz, with what speed are you moving through the water? (The speed of the waves is 5 m/sec.)

A. 1m/2s towards the waves
B. 5m/2s towards the waves
C. 5 m/s away from the waves
D. 5m/2s away from the waves
E. 1m/2s away from the waves

Answer 1

v = f(lambda)
5/1 = lambda
lambda = 5
C. C. 5 m/s away from the waves