A wave pulse (pulse A) on a spring is 4.00cm high and oriented upward. This pulse...
A wave pulse (pulse A) on a spring is 4.00cm high and oriented upward. This pulse meets another pulse, pulse B, of the same shape, and during the time when the pulses are together, the resultant wave is 2.50cm high but oriented downward.
What was the amplitude of pulse B? Note: if the pulse is oriented upward, make its amplitude positive. If it is oriented downward, make its amplitude negative.
Homework Answers
As, Resultant amplitude , R = A + B
=> - 2.50 = 4 + B
=> B = - 6.5 cm
Thus, the amplitude of pulse B = - 6.5 cm
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