When two mechanical waves have a displacement in opposite directions, and they overlap, what will the resulting wave look like a
2 answers:
Answer:
The new wave will have a smaller displacement than either of the original waves due to destructive interference.
Explanation:
As we know that the resultant displacement of two waves at a point where two or more waves are superimposed is given by the vector sum of the displacement due to each wave
So we will say
so here we can say that if the two particles which are superimposed are in same phase then it will constructive interference and the resultant displacement will be more than the individual displacement of each wave
while if the two particles are in opposite phase then this is known as destructive interference and the resultant displacement of the wave at that point is less than the individual displacement if each wave
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You drive 200 miles in 3 hours before stopping for lunch and gas. After lunch you travel 250 miles in an hour and a half.
To Find :
Average speed.
Solution :
We know, average speed is given by :
Therefore, average speed of the journey is 100 miles/hr.
Hence, this is the required solution.