3 years ago

"which phenomenon of light explains the separation of light into colors in a rainbow

1 answer:

4 0

Separation of light into different color is called "dispersion". Rainbow, comes from refraction and reflection of sunlight, in the falling raindrops, which means that that the refractive index of water depends on the wavelength of light.

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Why is friction important for gymnast working on parallel bars

igomit [66]

Hey there,
Friction is important to increase the friction between the bars and the gymnast to prevent the gymnast from falling and hurting themselves.

Hope this helps :))

<em>~Top♥</em>

8 0

3 years ago

Maximum current problem. If the current on your power supply exceeds 500 mA it can damage the supply. Suppose the supply is set

VikaD [51]

To solve this problem we will apply Ohm's law. The law establishes that the potential difference V that we apply between the ends of a given conductor is proportional to the intensity of the current I flowing through the said conductor. Ohm completed the law by introducing the notion of electrical resistance R. Mathematically it can be described as

$V = IR \rightarrow R = \frac{V}{I}$

Our values are

$I = 500mA = 0.5A$

$V = 37V$

Replacing,

$R = \frac{V}{I}$

$R = \frac{37}{0.5}$

$R = 74 \Omega$

Therefore the smallest resistance you can measure is $74 \Omega$

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3 years ago

If the mass of a material is 50 grams and the volume of the material is 5 cm^3, what would the density of the material be?

kotykmax [81]

D = M / V

D = 50 / 5

D = 10 g/cm^3

5 0

3 years ago

Read 2 more answers

If the earth shrank until its radius were only one-quarter its present size without changing its mass what would a 20 n object w

Dahasolnce [82]

Basing on the information given, we can calculate the new weight of the object by the following given:current weight = 20 Ng = 10m/s2

20N/4 = 5N

Thank you for your question. Please don't hesitate to ask in Brainly your queries.

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3 years ago

if a car is moving on a highway at 70 kilometers per hour going east, what happens to its speed and velocity

Andrej [43]

The speed is constant since there is no opposite force facing the car

That’s my best guest hope it helps !! :)

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3 years ago