2 years ago

A wave has a frequency of 46 Hz and a wavelength of 1.7 meters. What is the wave speed wave?

Physics

1 answer:

arlik [135]2 years ago

4 0

Answer:

Explanation:

(1.7 m/cycle)(46 cycle/s) = 78.2 m/s

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What is the energy of a single photon of visible light with a wavelength of 500.0 nm? 1 nm=10^−9 m

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Answer:

3.97×10^−19 J

From the planks equation

E=hv

V= c/ wave length

V= 3×10^8/500×10^-9

=6×10^14

E= hv

6.63×10^-34×6×10^14

= 3.97×10^−19 J

Explanation:

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Radiant energy is energy that travels by waves or particles, particularly electromagnetic radiation such as heat or x-rays.

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Most of the substances around you are _______

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Explanation:

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If a box is pulled with a force of 100 N at an angle of 25

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The X and Y components of the force are 90.63 Newton and 42.26 Newton respectively.

<u>Given the following data:</u>

Force = 100 Newton.

Angle of inclination = 25°

To determine the X and Y components of the force:

<h3>The horizontal component (X) of a force:</h3>

Mathematically, the horizontal component of a force is given by this formula:

$F_x = Fcos \theta\\\\F_x =100 \times cos25\\\\F_x =100 \times 0.9063$

Fx = 90.63 Newton.

<h3>The vertical component (Y) of tensional force:</h3>

Mathematically, the vertical component of a force is given by this formula:

$F_y = Fsin \theta\\\\F_y =100 \times sin25\\\\F_y =100 \times 0.4226$

Fy = 42.26 Newton.

Read more on horizontal component here: brainly.com/question/4080400

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