Answer:
Zero
Explanation:
Acceleration is rate of change of velocity..
Answer:
A: No because it is nor changing speed or direction
B: Yes because it changes direction even though the speed is constant
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<span>When two waves of same frequency travel in a medium simultaneously in the same direction then, due to their superposition, the resultant intensity at any point of the medium is different from the sum of intensities of the two waves. At certain points the intensity of the resultant wave has a large value while at some points it has a very small or zero. This is called wave interference.</span>
