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uranmaximum [27]
3 years ago
8

A white light shines on a magenta filter. A red T-shirt and a green T-shirt are placed on the

Physics
1 answer:
viva [34]3 years ago
6 0

Answer:

the red flannel heats up and the green flannel remains at the same temperature.

Explanation:

A magenta filter lets the red and blue colors through, absorbing the green color.

When these colors affect the flannels, the red flannel absorbs the red color and heats up.

the green flannel cannot absorb its color as it is blocked by the magenta filter, consequently it remains at the same temperature.

In short, the red flannel heats up and the green flannel remains at the same temperature.

When the flannels are placed in front of the filter, the two flannels get hot since the white one has all the colors.

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How are Earth and Venus similar? How is Venus different from Earth? (Provide two similarities and two differences.)
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Kepler’s third law states that for all objects orbiting a given body, the cube of the semimajor axis (A) is proportional to the
GarryVolchara [31]

Explanation:

Kepler’s third law states that for all objects orbiting a given body, the cube of the semimajor axis (A) is proportional to the square of the orbital period (P).

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3 years ago
A nearsighted person wants to see an apple that is 7 meters away but can only clearly see objects that are at most 62 cm away fr
natulia [17]

Answer:

The power of the corrective lenses is 3.162 D.

Explanation:

Given that,

Object distance = 70 cm

Image distance = 62 cm

Distance between eyes and glasses = 2.5 cm

Eyeglasses made of diverging corrective lenses can help her to see the apple clearly

So now ,

Object distance from glass =70-2.5 = 67.5 cm

Image distance from glass = 62-2.5 = 59.5 cm

We need to calculate the focal length

Using formula for focal length

\dfrac{1}{f}=\dfrac{1}{v}+\dfrac{1}{u}

\dfrac{1}{f}=-\dfrac{1}{59.5}-\dfrac{1}{67.5}

\dfrac{1}{f}=-\dfrac{508}{16065}\ cm

We need to calculate the power of lens

Using formula of power

P=\dfrac{100}{f}

P=-\dfrac{508}{16065}\times100

P=-3.162 \ D

Negative sign shows the lens is diverging.

Hence, The power of the corrective lenses is 3.162 D.

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3 years ago
Squid and Octolules are propelled by expelting water, which is maintained in a body cavity. A squid of 6.5 kg (including water i
Elina [12.6K]

Answer:

see attachment

Explanation:

4 0
3 years ago
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