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Korolek [52]
3 years ago
13

Which statement is not true?

Physics
2 answers:
Valentin [98]3 years ago
5 0

Answer:

correct answer is objects that are good absorbers of radiation are good reflectors as well

Explanation:

This is a contradiction because good absorbers are poor reflectors. For example if you have a mirror which have shiny surface then it can reflect the radiation in a well manner but it is not a good absorber.

other options are true.

love history [14]3 years ago
4 0

Answer:

A) objects that are good absorbs of radiation are good reflectors as well

Explanation:

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Which of the following statements best explains why a book resting on a table is in equilibrium?
timofeeve [1]
I'm pretty sure the answer is d.The weight of the book and the table's upward force on the book are equal in magnitude but opposite in direction.

3 0
3 years ago
What you filling your heart with <br>oxygen and blood
svlad2 [7]

Answer:

Explanation:

                    The right side of your heart receives oxygen-poor blood from your veins and pumps it to your lungs, where it picks up oxygen and gets rid of carbon dioxide. The left side of your heart receives oxygen-rich blood from your lungs and pumps it through your arteries to the rest of your body.

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5 0
2 years ago
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The tip of the second hand of a clock moves in a circle of 20 cm circumference. In one minute the hand makes a complete revoluti
Cerrena [4.2K]

Answer:

v_{avg} = 0

Explanation:

As we know that average velocity is defined as the ratio of total displacement of the object and its time interval.

so here we can say

v_{avg} = \frac{displacement}{time}

now we know that in one complete revolution the total displacement of the tip of the seconds hand is zero

because it will have same position after one complete revolution from where it starts

so here we can say that the average velocity will be zero

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7 0
3 years ago
What best describes a sound wave? transverse and electromagnetic longitudinal and mechanical longitudinal and electromagnetic tr
GalinKa [24]

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So all medium particles travel in the direction of wave only

so it is a longitudinal wave also

so correct answer will be

<em>mechanical longitudinal </em>

7 0
3 years ago
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Which statement best summarizes the theory of evolution by natural selection?
prisoha [69]

Answer:

c is the one that makes the most sense

Explanation:

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2 years ago
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