A train whistle (f=400Hz) sounds higher or lower in frequency d... | Filo

SOLVED: Question 1: A train whistle sounds at 1.75 kHz. Write down the appropriate frequency formula and find the frequency you hear when the train is approaching at 33.0 m/s. Take the velocity of sound in the air at that temperature to be 331 m/s.

How to make a Wooden Train Whistle? : Choosing your Options

Train, Engine, Engineer

TRAIN WHISTLE

2pcs Wood Train Whistle Unpainted DIY Instrument Toys Blank Wooden Whistle - Walmart.ca

Solid Wood Train Whistle 4 Tone, Role Play Lover Wooden Whistle For Educational Party - Walmart.ca