to be franc i really think the answer is B
Answer:
D. 2.5 Hz
Explanation:
Frequency = speed of wave / wavelength
= 335 /140 ( from graph)
= 2.4
v is velocity, x is position, t is time, and a is acceleration.
Mem me e m even have. Jags. Shah. Shiv side esicjm is n meh dish so do indbbd