Neco Model Questions Vol1 2017 Physics Question 6
Practice objective / multiple choice question 6 from the 2017 Neco Model Questions Vol1 Physics examination.
A siren on an ambulance emits a sound of frequency \(800\ \text{Hz}\). The ambulance moves directly towards a stationary observer with a constant speed \(v\). The observer hears a frequency of \(877\ \text{Hz}\). After the ambulance passes the observer and moves away with the same speed, the observer hears a frequency of \(735\ \text{Hz}\). Assuming the speed of sound in air is \(340\ \text{m s}^{-1}\), determine the speed \(v\) of the ambulance (in \(\text{m s}^{-1}\)).
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About This Question
This is Neco Model Questions Vol1 2017 Physics Question 6. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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