Answer:
It cannot be constant because if it does not change and each time it increases its strength and speed.
Explanation:
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Answer:
greater
Explanation:
the speed of sound in steel is greater than water. the speed of sound in wood is not, In water, the particles are much closer together, and they can quickly transmit vibration energy from one particle to the next. This means that the sound wave travels over four times faster than it would in air, but it takes a lot of energy to start the vibration.
Wood is less dense and force can make a sound.
That would be a the first law of newton's laws of motion because it stops from an external force
