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26 Nov 2019
Two wave sources, separatedby 6.00 cm, produce waves - in phase -described by y = 4sin(50Ïx - 120Ït)m. (Assume that these areripples on thesurface of a pond.)
A) What is the speed of thesewaves? (remember the expressions forkand Ï)
B) What will be the resultantdisturbance (maximum? minimum?something in between?) at a point Pwhich is 50 cm from one sourceand 52 cm from the other?
C) Now consider a pointP, on the surface of the water, very nearone of these sources. Suppose that a practically weightless corkfloats at P. What would be its maximum displacement? What wouldbeits maximum speed?
Two wave sources, separatedby 6.00 cm, produce waves - in phase -described by y = 4sin(50Ïx - 120Ït)m. (Assume that these areripples on thesurface of a pond.)
A) What is the speed of thesewaves? (remember the expressions forkand Ï)
B) What will be the resultantdisturbance (maximum? minimum?something in between?) at a point Pwhich is 50 cm from one sourceand 52 cm from the other?
C) Now consider a pointP, on the surface of the water, very nearone of these sources. Suppose that a practically weightless corkfloats at P. What would be its maximum displacement? What wouldbeits maximum speed?
Sixta KovacekLv2
26 Nov 2019
