Recall the wave equation,

where c is the speed of the wave (m/s), f is the frequency of the wave (Hz) and λ is the wavelength of the wave (m).

so
(100, 108)
Due to
1.2x90=108
100, 108
Answer: A mixture is a combination of two or more substances (elements or compounds) which is not done chemically. Mixtures are two types Homogeneous Mixtures and Heterogeneous mixtures.
Stopped at the end of the tracks by a spg-damper system, as shown in fig. 1
What is the Investigation about!