Which of the following wavelengths could NOT be present as a harmonic on a 2 m long string?
a. 4 m
b. 2 m
c. 1 m
d. 0.89 m
e. 0.5 m
D
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A. the momentum of the object will change only if the force is in the same direction as the velocity of the object. B. the momentum of the object can only change direction, not magnitude. C. the momentum of the object must change. D. the momentum of the object can only change magnitude, not direction.
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