Answer: 0.0146m
Explanation: The formula that defines the velocity of a simple harmonic motion is given as
v = ω√A² - x²
Where v = linear velocity, A = amplitude = 1.69cm = 0.0169m, x = displacement.
The maximum speed of a simple harmonic motion is derived when x = A, hence v = ωA
One half of maximum speed = speed of motion
3ωA/2 = ω√A² - x²
ω cancels out on both sides of the equation, hence we have that
A/2 = √A² - x²
(0.0169)/2 = √(0.0169² - x²)
0.00845 = √(0.0169² - x²)
By squaring both sides, we have that
0.00845² = 0.0169² - x²
x² = 0.0169² - 0.00845²
x² = 0.0002142
x = √0.0002142
x = 0.0146m
It’s solved by using a pretty standard formula for efficiency.
Answer:
1.9 m.
Explanation:
Three complete waves in the length of 5.7 m
The distance traveled by one complete wave is called wavelength.
Thus, the distance traveled by one wave = 5.7 / 3 = 1.9 m
Thus, the wavelength is 1.9 m.
Answer:
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Answer:
<h3> B. 4 m/s</h3>
Explanation:
The formula for Speed is distance per time.
<h3>Therefore Speed = Distance / Time</h3>
<u>Data</u>
D = 40 m
T = 10 sec
S = ?
<h3> Speed = 40m /10sec</h3>
To find the speed , divide the distance by the time.
Note : the unit for Speed is meter /second
<h3> Speed = 4 m/s</h3>
Therefore the speed of the wave, the surfer is riding on is 4 m/s.
