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sergiy2304 [10]
3 years ago
9

Which best describes the current atomic model?

Physics
2 answers:
viktelen [127]3 years ago
5 0

A is the correct response

Lorico [155]3 years ago
3 0
<span>A: It is not an exact representation of the atom, but is close enough to be very useful.

Hope this helps!</span>
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Which component of the earth’s atmosphere is decreased due to photosynthesis?
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The component of Earth's atmosphere that is decreased due to photosynthesis is carbon dioxide (D).

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3 years ago
I NEED HELP PLEASE, THANKS! :)
Rainbow [258]

Explanation:

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3 years ago
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3 years ago
Which statement BEST describes acceleration?
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3 0
3 years ago
A powerful searchlight shines on a man. The man's cross-sectional area is 0.500m2 perpendicular to the light beam, and the inten
babymother [125]

Answer:

The magnitude of the force the light beam exerts on the man is 5.9 x 10⁻⁵N

(b) the force the light beam exerts is much too small to be felt by the man.

Explanation:

Given;

cross-sectional area of the man, A = 0.500m²

intensity of light, I = 35.5kW/m²

If all the incident light were absorbed, the pressure of the incident light on the man can be calculated as follows;

P = I/c

where;

P is the pressure of the incident light

I is the intensity of the incident light

c is the speed of light

P = \frac{I}{c} =\frac{35500}{3*10^8} = 1.18*10^{-4} \ N/m^2

F = PA

where;

F is the force of the incident light on the man

P is the pressure of the incident light on the man

A is the cross-sectional area of the man

F = 1.18 x 10⁻⁴ x 0.5 = 5.9 x 10⁻⁵ N

The magnitude of the force the light beam exerts on the man is 5.9 x 10⁻⁵ N

Therefore, the force the light beam exerts is much too small to be felt by the man.

8 0
3 years ago
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