Is it not standard deviation? or am i just dumb lol
Answer:
the correct answer is torsional
Explanation:
Answer:
in the attached documents are the answers i made a 100 on it
Explanation:
Answer:
(a) 1782 Hz (b) 2178 Hz
Explanation:
The predominant frequency =1980 Hz
The speed of the police car =34.3 m/sec
The speed of sound in air =343 m/sec
(a) When the car moves towards you
According to Doppler's effect

(b) When the car moves away from you