When a sound wave strikes a smooth, hard surface, the wave is
2 answers:
The wave will be reflected back, depending on the angle it hits, or it will bounce (but not exactly using the same route)
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The change in kinetic energy of the car is equivalent to the change in its potential energy. Thus:
Formula:
The distance between two consecutive points in a wave is called the wavelength.
Answer:
2.36m/s
Explanation:
first you have change 38km/hr into m/s
then divide your answer with 4.5
You use more significant figures. 5 sigfigs (1.0985) is more accurate than 2 sigfigs (1.0)
