Answer:
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Explanation:
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Answer:0.0982 m
Explanation:
Given
distance between two loudspeaker is 5 m
frequency (f )=875 Hz
speed of sound (v)=344 m/s
Let
be the smallest distance moved by observer then
Position of observer w.r.t to first speaker is

Position of observer w.r.t to second speaker is


For Destructive interference

For minimum m=0
and 


Answer:
I already know the first one is electromagnetic but I don't know the second one sorry
Explanation:
Answer:
6m/s
Explanation:
momentum = mass × change in velocity
∆p =m(v)
24 = 4(v)
V =>24/4 = 6m/s