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ivolga24 [154]
3 years ago
15

The Doppler effect is an effect produced by a moving source of sound or electromagnetic waves due to the relative motion of a so

urce or a receiver. If an emergency vehicle approaches Bob and moves away from Jill, how does the frequency of the siren change?
A) Neither Bob or Jill perceive any change in the frequency of the siren.
B) As an emergency vehicle approaches Bob the frequency appears to increase.
C) As an emergency vehicle moves away from Jill the frequency appears to increase.
D) Bob does not notice any change until the vehicle passes him and the siren increases.
Mathematics
1 answer:
IgorC [24]3 years ago
4 0

Answer:

b

Step-by-step explanation:

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julsineya [31]
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7 0
3 years ago
What numbers represent the lower and upper quartiles?
Allushta [10]
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7 0
3 years ago
if one tray can hold 12 loaves of bread and eat your I can hold 10 trays can a hundred twenty-five Loaves fit on one rack
tia_tia [17]
I believe the wording of the question is: If one tray can hold 12 loaves of bread and the rack can hold 10 trays, can a hundred and twenty-five loaves fit on one rack? 
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6 0
3 years ago
Read 2 more answers
-1/6 + 4/5 Write your answer in simplest form
Alchen [17]

Answer:19/30

Step-by-step explanation:

1. multiply and divide(left to right)-1/6

=-1/6+4/5

2.multiply and divide(left to right)4/5

=-1/6+4/5

3. add and subtract(left to right)-1/6+4/5=19/30

=19/30

5 0
3 years ago
6x<br>:64=18:32<br><br>pls helo me am stuck ​
zalisa [80]

Answer:

384

Step-by-step explanation:

I think its 384 I say I think

4 0
3 years ago
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