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Andru [333]
1 year ago
10

What is the frequency of light with a wavelength of 2.10 × 10-7 m?

Physics
1 answer:
andre [41]1 year ago
5 0

Answer:

V = ?

C = 3 × 10^8

wavelength = 2.10 × 10^-7

wavelength = C/V

V = C/wavelength

V = 3 × 10^8/2.10 × 10^-7

V = 1.43 × 10^ 15

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We are given the gravitational potential energy and the height of the ball and is asked in the problem to determine the mass of the ball. the formula to be followed is PE = mgh where g is the gravitational acceleration equal to 9.81 m/s^2. substituting, 58.8 J = m*9.8 m/s^2 * 30 m; m = 0.2 kg.
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2 years ago
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A particle of mass m moves under an attractive central force F(r) = -Kr4 with angular momentum L. For what energy will the motio
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Answer:

Angular velocity is same as frequency of oscillation in this case.

ω = \sqrt{\frac{7K}{m} } x [\frac{L^{2}}{mK}]^{3/14}

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3 years ago
The center of the Milky Way galaxy lies in the direction of the _constellation, aboutlight-years away.
Elza [17]

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An unbanked (flat) curve of radius 150 m is rated for a maximum speed of 32.5 m/s. At what maximum speed, in m/s, should a flat
Rasek [7]

Answer:

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2 years ago
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