Ask a New Question

A cop cars siren has

A siren emits a sound of frequency 1200 kHz. With which frequency is it received by a car moving at a speed of 20 m/s.a) Away
1. 2 answers
2. asked by Rita
3. 772 views
Initially, you hear the siren at 90 dB. When the distance between you and the ambulance is a quarter of what it was initially,
1. 1 answer
2. asked by Nadya
3. 924 views
A marine siren consists of a cylinder 72 cm in length closed at one end.for sound through air at 336 m/s. find the lowest
1. 1 answer
2. asked by omar
3. 545 views
The Sound Off Siren Company tests every fifth siren for sound quality and every eighth siren for mechanical quality. The daily
1. 4 answers
2. asked by BLT
3. 797 views
Residents of Hawaii are warned of the approach of a tsunami by sirens mounted on the tops of towers. Suppose a siren produces a
1. 1 answer
2. asked by Mike
3. 1,881 views
Danny is measuring the loudness of a police siren. At t=2 seconds, the siren's loudness is at its maximum of 112 dB for the
1. 2 answers
2. asked by SC
3. 966 views
Read the sentence.The fire truck’s siren woke me. Which is the best way to revise this sentence using descriptive detail and
1. 1 answer
2. 94 views
You're in an auto traveling at 25.0m/s toward a pole mounted warning siren. If the siren's frequency is 365 Hz, what frequency
1. 1 answer
2. asked by jess
3. 1,230 views
The diagram shows the variation of air pressure from an alarm siren at particular instant. The speed of sound in the air is
1. 4 answers
2. asked by RITIKA
3. 1,447 views
The frequency of an ambulance's siren is 700 Hz.If a pedestrian on the side of the road hears the siren at 756 Hz, approximately
1. 0 answers
2. asked by kim..need help
3. 1,365 views