Review I C An old mining tunnel disappears into a hillside. You would like to know how long the tunnel is, but it's too dangerous to go inside. Recaling your recent physics class, you decide to try setting up standing- wave resonances inside the tunnel. Using your subsonic amplifier and loudspeaker, you find resonances at 4.5 Hz and 6.3 Hz, and at no frequencies between these. It's rather chilly inside the tunnel, so you estimate the sound speed to be 330 m/s. Part A Based on your measurements, how far is it to the end of the tunnel? Express your answer to two significant figures and include the appropriate units. L- Value Units Submit Request Answer
Review I C An old mining tunnel disappears into a hillside. You would like to know how long the tunnel is, but it's too dangerous to go inside. Recaling your recent physics class, you decide to try setting up standing- wave resonances inside the tunnel. Using your subsonic amplifier and loudspeaker, you find resonances at 4.5 Hz and 6.3 Hz, and at no frequencies between these. It's rather chilly inside the tunnel, so you estimate the sound speed to be 330 m/s. Part A Based on your measurements, how far is it to the end of the tunnel? Express your answer to two significant figures and include the appropriate units. L- Value Units Submit Request Answer
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