Normally light waves move in all different directions. When light becomes P________, all of the electric fields in the waves mov
2 answers:
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In a string of length L, the wavelength of the n-th harmonic of the standing wave produced in the string is given by:
The length of the string in this problem is L=3.5 m, therefore the wavelength of the 1st harmonic of the standing wave is:
The wavelength of the 2nd harmonic is:
The wavelength of the 4th harmonic is:
It is not possible to find any integer n such that , therefore the correct options are A, B and D.
Answer:
- 600 J
Explanation:
A (20, 15, 0 ) m
B (0, 0, 7) m
Net force
Work done is defined as
W = -1120 + 450 + 70
W = - 600 J