f= n/t
f= 3.26/8.31= 0.39
v=(wavelength)f
1.47= (wavelength)0.39
wavelength= 3.769
As your hand moves back and forth to generate longitudinal pulses in a spiral spring, your
hand completes 3.26 back-and-forth cycles every 8.31 s. The velocity of the pulse in the
spring is 1.47 cm/s.
1 answer