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As we know so far, c = f / λ. This equation comes from a much simpler version of speed = distance/ time. As the λ (with units "m") can be seen as distance and the frequency (with units "...
An ultrasound wave is a soundwave with a frequency higher than 20,000 Hz
40 years.
In order to solve this question we need to use the principle of conservation of momentum which states:
The momentum in a closed system remains constant before and after a collision or exp...
Firstly, acceleration is the rate of change of velocity of an object, measured in ms-2 (read as metres per second squared, or metres per second per second). It can be either positive, indicatin...
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