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PastyMexican24
21.10.2020 •
Physics
Base your answer to this question on the information below and on your knowledge of physics.
A wave traveling through a uniform medium has an amplitude of 0.20 meter, a wavelength of 0.40 meter, and a frequency of 10 hertz.
Determine the period of this wave.
What’s the period of this wave ?
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Ответ:
T=1/f
= 1/10
= 0.1 s
v = wavelength × frequency
= 0.40m × 10 Hz
= 4ms^-1
T = wavelength / velocity
= 0.04m / 4 ms^-1
= 0.1 m
Explanation:
so first i used the formula T=1/f and i found that the period, T is 0.1s
and secondly , to check whether i got the correct answer , i used a different formula
i used the formula T = wavelength / velocity
but there's an unknown in it , that's the velocity
so to find the velocity , i used the formula v = wavelength × frequency
when i've done the calculation , the second value of T is same as the first value of T
so , the value of the period, T is 0.1s
Ответ:
Final velocity (v) of an object equals initial velocity (u) of that object plus acceleration (a) of the object times the elapsed time (t) from u to v. Use standard gravity, a = 9.80665 m/s2, for equations involving the Earth's gravitational force as the acceleration rate of an object.
Explanation: