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3 years ago

15

The FIRST step in cloud formation is.... A) warmed air cools and condenses. B) solar energy causes warm air to rise. C) solar en

ergy causes water vapor to condense.

1 answer:

Elodia [21]3 years ago

3 0

c because the fist step is condensing then rising up

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A well blended mixture that contains at least one solute and one solvent is a _____.

tensa zangetsu [6.8K]

A solution, an example is salt and water. brainliest?

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3 years ago

Un pasager a intarziar la tren. Ajuns pe peron a observat trenul in miscare si a constatat ca unul dintre vagoane a trecut prin

ExtremeBDS [4]

b) intervalul de timp t3 in care prin fata sa trece vagonul urmator

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3 years ago

Red light of wavelength 630 nm passes through two slits and then onto a screen that is 1.4 m from the slits. The center of the 3

VARVARA [1.3K]

Answer:

Part a)

$f = 4.76 \times 10^{14} Hz$

Part b)

$d = 3.48 \times 10^{-4} m$

Part c)

$\theta = 0.311 degree$

Explanation:

Part a)

As we know that the speed of light is given as

$c = 3 \times 10^8 m/s$

$\lambda = 630 nm$

now the frequency of the light is given as

$f = \frac{c}{\lambda}$

so we have

$f = \frac{3 \times 10^8}{630 \times 10^{-9}}$

$f = 4.76 \times 10^{14} Hz$

Part b)

Position of Nth maximum intensity on the screen is given as

$y_n = \frac{n\lambda L}{d}$

so here we know for 3rd order maximum intensity

$y_3 = 0.76 cm$

n = 3

L = 1.4 m

$0.76 \times 10^{-2} = \frac{3(630 \times 10^{-9})(1.4)}{d}$

$d = 3.48 \times 10^{-4} m$

Part c)

angle of third order maximum is given as

$d sin\theta = 3 \lambda$

$3.48 \times 10^{-4} sin\theta = 3(630 \times 10^{-9})$

$\theta = 0.311 degree$

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3 years ago

Which planet in the list below is larger than Earth? A. Saturn B. Mars C. Mercury D. Venus

Alborosie

ANSWER:

the planet that is larger than earth is Saturn

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3 years ago

Read 2 more answers

A rightward force of 246 N is applied to a 35 N suitcase to accelerate it across the floor. The coefficient of friction between

katrin [286]

(35/g) = mass of 3.57kg. (9.8 for g).
<span> (35 x 0.75) = 26.25N. friction.
</span><span> (246 - 26.25) = net 219.76N. accelerating force.
</span><span> Aceleration = (f/m) = (219.76/3.57) = 61.56m/sec^2</span>

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3 years ago