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Nookie1986 [14]
3 years ago
9

Which equation was used by Albert Einstein to explain the photoelectric effect? [E = energy, h = Planck’s constant, and v = freq

uency.]
Chemistry
1 answer:
xxMikexx [17]3 years ago
4 0

Answer:

H= Planck's Constant

Explanation:

Since light is bundled up into photons, Einstein theorized that when a photon falls on the surface of a metal, the entire photon's energy is transferred to the electron.

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An example of binary compound is
Dima020 [189]

Answer:

Explanation:

An example of binary compund is ZnI2 is zinc iodide

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3 years ago
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8! How many moles are in 73410" molecules of KMO,
Cloud [144]
There’s no element with symbol M
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PLEASE HELP!!!
Kaylis [27]
I think it comes from Fungi. I'm not 100% sure about that though.
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Calculate the area of a 3.0 inch by 5.0 inch index card in square millimeters (mm). (You can look up the formula for the area of
meriva

Answer:

The area of the given rectangular index card = <u>9677.4 mm²</u>    

Explanation:

Area is defined as the space occupied by a two dimensional shape or object. The SI unit of area is square metre (m²).

<u>The area of a rectangle</u> (A) =  length (l) × width (w)

Given dimensions of the rectangle: Length (l) = 5.0 inch, Width (w) = 3.0 inch

Since, 1 inch = 25.4 millimetres (mm)

Therefore, l = 5 × 25.4 = 127 mm, and w = 3 × 25.4 = 76.2 mm

Therefore, <u>the area of the given rectangular index card</u> = A= l × w = 127 mm × 76.2 mm = <u>9677.4 mm²</u>

5 0
3 years ago
With respect to a fixed point, motion is defined as a change in-<br><br> A)speed<br> B)position
Arisa [49]

Answer:

With respect to a fixed point, motion is defined as a change in<u> position.</u>

Explanation:

MOTION -:  Motion is described as the fact in which any object or body changes its position over the time with respect to a fixed point .

Motion is defined as displacement, distance, velocity , acceleration, speed , and time in mathematical terms. By linking an observer to a frame of reference and measuring the shift in the position of the body with a change in time relative to that frame, the motion of a body is observed.      

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3 years ago
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