A sound wave has a frequency of 250 Hz and a wavelength of 1.3 m. Calculate the speed of this waves.
1 answer:
Answer:
325 m/s
Explanation:
Frequency of the wave = 250 Hz
wavelength of the wave = 1.3 m
From the wave formula;
v = λf
v = wave speed
λ = wavelength
f= frequency
v = 250 * 1.3 = 325 m/s
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Answer:
0.4 m/s2
Explanation:
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net force: 10 N
acceleration: ?
net force ÷ by mass= acceleration
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Inconsistent. You should take three readings at least.
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Total kinetic energy before collision = total kinetic energy after the collision.
