compressional/primary waves and shear/secondary waves
7. A
8. D
9. C
10.B
I think this answer
Wood and plastic products do not transfer heat easly
Answer:
I think your question is about simple harmonic motion
Explanation:
Linear Simple Harmonic Motion
a=-w²x
F= ma = -mw² x
F =-K×
K=m w²
Linear SHM is straight line to and fro motion in Wich the acceleration (and hence the force) is directly proportional to the displacement of the vibrating mass from a fixed point on that line and always directed toward the fixed point.
Frequency of vibration
f=1/T where
T= time for a complete vibration or oscillation.
Hope it helps to you
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and who is Katie and Venus I'm angry to you Katie and Venus and don't delete my answer because it is my hardwork ಠ益ಠ
