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siniylev [52]
2 years ago
5

A wave has a frequency of 1000 Hz. If the wavelength is 0.5 m, how fast is the wave traveling?

Physics
1 answer:
Soloha48 [4]2 years ago
7 0

Answer: 1000 Hz · 0,5 m = 500 m/s

Explanation: speed = frequency · wavelength

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Newton's Law of inertia is sufficient to cause a planet to orbit the sun.<br> O True<br> O False
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3 years ago
Estimate frequency of vibration of your arm. Let the length of the arm be 0.57 m. Consider the arm as a simple pendulum and assu
skad [1K]

Answer:

0.80865 Hz

1.23662 seconds

Explanation:

g = Acceleration due to gravity = 9.81 m/s²

l = Length of arm = 0.57 m

Length of simple pendulum is given by

L=\dfrac{2}{3}l\\\Rightarrow L=\dfrac{2}{3}\times 0.57\\\Rightarrow L=0.38\ m

The frequency is given by

f=\dfrac{1}{2\pi}\sqrt{\dfrac{g}{L}}\\\Rightarrow f=\dfrac{1}{2\pi}\sqrt{\dfrac{9.81}{0.38}}\\\Rightarrow f=0.80865\ Hz

The frequency is 0.80865 Hz

The time period is given by

T=\dfrac{1}{f}\\\Rightarrow T=\dfrac{1}{0.80865}\\\Rightarrow T=1.23662\ s

The time period is 1.23662 seconds

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2 years ago
What does the law of conservation of energy state?
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Name any two liquid which are found in our human eyes​
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The correct answer is B, since if there is no change in velocity, the frame does not accelerate and it is inertial.
3 0
3 years ago
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