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snow_lady [41]
3 years ago
6

It was a cold, sunny day and the ground was covered with fresh snow. Maria wore her black sweatshirt outside to play in the snow

. She knew that black would _________ light waves and help keep her warm.
refract


absorb


diffract


reflect
Physics
2 answers:
Sergeeva-Olga [200]3 years ago
7 0

Answer: The correct answer is absorb.

Explanation:

In the given problem, It was a cold, sunny day and the ground was covered with fresh snow. Maria wore her black sweatshirt outside to play in the snow.

A black color is a good absorber while the white color is good reflector.

Black objects absorb all the incident radiations which falls on them regardless of the frequencies of the radiations while the white reflects all the incidents radiations completely.

Therefore, she knew that black would absorb light waves and help keep her warm.

Sonbull [250]3 years ago
5 0

It was a cold, sunny day and the ground was covered with fresh snow. Maria wore her black sweatshirt outside to play in the snow. She knew that black would absorb light waves and help keep her warm

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shutvik [7]

Answer:(10.69, 11.436)

Explanation:

Given

initial height of ball is 2 m

height of basket is 3.05 m

Launching angle=40^{\circ}

x =12\pm 0.27

y=1.05

equation of trajectory of ball is given by

y=xtan\theta -\frac{gx^2}{2u^2cos^2\theta }

for x=12.27

1.05=12.27\times tan40-\frac{g12.27^2}{2u^2cos^{2}40 }

u=10.69

for x=11.73

1.05=11.73\times tan40-\frac{g11.73^2}{2u^2cos^{2}40 }

u=11.436 m/s

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2 years ago
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True [87]

Answer:

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Explanation:

8 0
3 years ago
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masya89 [10]

Answer:

Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion. Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.

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kiruha [24]

Answer:

The correct answer is D.

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Explanation:

Sampling error is related to the variation between the true values of the sample and the population. If occurred, it is always random depending upon the sample chosen.

Non-sampling error can be random as well as non-random. Non-sampling error can occur irrespective of the sample chosen. It is related to the inappropriate analysis of the data.

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Black_prince [1.1K]
F=ma
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