I believe the answer is A, temperature and number of particles are constant. Correct me if i'm wrong :)
1.the sun must be lined up with the moon and earth all must be aligned for this to happen
Answer:
The smallest piece of a substance is an atom.
Explanation:
Atoms. An atom is the smallest unit of a pure substance or element that can exist and still retain the properties of the original substance or element.
The smallest piece that doesn't retain the properties is a quark
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Answer:
a.) 1.8 metre
b.) 66.67 Hz
Explanation: Given that the
Length L = 0.9m
Wavelength (λ) = 2L/n
Where n = number of harmonic
If n = 1, then
Wavelength (λ) = 2L = 2 × 0.9 = 1.8 m
b.)
If waves travel at a speed of 120m/s on this string, what is the frequency
associated with the longest wave (first harmonic)?
Given that V = 120 m/s
V = Fλ
But λ = 2L, therefore,
F = V/2L
F = 120/1.8
F = 66.67 Hz
