Answer:
Apparent Increase in Wave Frequency
As the ambulance approaches you, the distance between the source of the waves and the observer decreases. Consequently, the siren sounds more shrill as the pitch of the wailing siren 'sounds' higher than its original value, as sound waves reach you 'more frequently'.
Step-by-step explanation
hope this helps
Answer:
the anwser you put is correct
Step-by-step explanation:
congragulations! glad i could help :)
Answer:
7(2f-3)
No step-by-step explanation.Sorry!
Answer:
No.
Step-by-step explanation:
If they do intersect, the measurement of the angles they form is a half the difference of the intercepted arcs; both of the intercepted arcs would measure 180 degrees.
The sum of their age is "s" years? Please fix the typo. Then I might be able to help :D
