1-5 Speed of a sinusoidal traveling wave

A vibrator generates a sinusoidal wave traveling along a string. It is observed that, at a certain position, an element of the string completes 50 oscillations in 2.0 seconds. Also, a given crest travels 300 cm along the string in 10 s. Calculate

1. the frequency,

2. the period,

3. the speed of the wave, and

4. the wavelength.

a. Frequency = s^-1

a. The frequency is

b. The period is

b. Period = s

c. The speed of the wave is

d. The wavelength is

c. speed = m/s

d. Wavelength = m