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longitudinal wave
stone
because water has currents and the sound can go straght through stone
About 5.26 seconds. (almost 4.92 seconds to hit, 0.35 sec for the sound to return)You need to find how long it takes for the stone to drop to the water and makean audible 'sploosh', and then find how long it takes for the sound to reach youfrom the depths. The acceleration g is about 9.8 m/sec2.Time to sploosh:x = 1/2 g T2118.5 = 4.9 T2T = sqrt(118.5/4.9) secondsTime for the sound to return to the top: (Use 340 meters per second)118.5/340 secondsTotal time between the drop and hearing the sploosh:sqrt(118.5/4.9) + (118.5/340 ) = 5.26 seconds(rounded)
Sound waves are more precisely described as pressure waves, caused by an oscillating wave of pressure usually in air. Just like dropping a stone in a pond, the waves move out from the source, although usually in three dimensions. The sound is perceived by humans as the pressure waves hit the eardrum and are transmitted into the inner ear where small hair-like structures are activated and in turn activate nerves that transmit the information to the brain where it is interpreted as sound.
The rate at which sound travels through stone depends on the stone. Sound will travel faster through warm stone than cold stone.
The duration of The Protectors is 1500.0 seconds.
longitudinal wave
"Dropped like a stone" is a simile because it uses "like" to compare the action of dropping to a stone.
it means when you hear a screeching sound whitch sounds like the sound of iron on stone.
The duration of The Devil-Stone is 3600.0 seconds.
The duration of They Planted a Stone is 1560.0 seconds.
The duration of The Living Stone is 2040.0 seconds.
The duration of Eli Stone is 2880.0 seconds.
The duration of The Stepping Stone is 3000.0 seconds.
The duration of Aaron Stone is 1320.0 seconds.
Bob