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Korolek [52]
4 years ago
13

Which statement is not true?

Physics
2 answers:
Valentin [98]4 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]4 years ago
4 0

Answer:

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

Explanation:

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Which statement describes the relationship of resistance and current ? Resistance is directly proportional to current because R=
joja [24]

Answer:resistance is inversely proportional to current.since r=v/I

Explanation:

resistance(r) is inversely proportional to current.

Since r=v/I

7 0
4 years ago
If an object accelerates from rest, with a constant acceleration of 4.4 m/s2, what will its velocity be after 28s?
Norma-Jean [14]

Answer:

123.2 m/s after 28s

Explanation:

Vi= 0 m/s

a= 4.4 m/s^2

t=28s

Vf after 28s

To find Vf use your kinematics formula Vf=Vi+at

Vi is Zero so it gets removed and the equation becomes

Vf=at  

Simply Plug and Solve

Vf= 4.4(28)

Vf=123.2 m/s after 28s

6 0
3 years ago
Planets orbit the Sun because _____.
amm1812

This is a poorly written question.

<span>Out of the choices listed, the first one is the only one that includes
a true statement ... the greater the mass of two objects, the greater
the gravitational attraction is between them.</span> 

-- Newton's law of universal gravitation doesn't "suggest" that.  It states it ...
boldly and unequivocally.

-- The law doesn't refer to the "greatness" of the mass of the two objects. 
It refers to the product of their masses.

-- It's true that the law of universal gravitation can be massaged and
manipulated to reveal the existence of gravitational planetary orbits.
But there's a lot more to it than simply the masses.

For example ... the gravitational force between two objects is inversely
proportional to
                           (the distance between the objects)² .

It turns out that IF that exponent were not precisely, exactly  2.000000... ,
then gravitational orbits could not exist.

8 0
3 years ago
Which term refers to the rate at which the velocity of a moving object changes? A.acceleration B.displacement C.resonance D.turb
Inessa [10]
A. Acceleration is the answer to you question. When an object changes velocity it can accelerate.<span />
4 0
4 years ago
The form of energy that holds atomic nuclei together is called
MatroZZZ [7]
<span>The strong nuclear force holds the nucleons together. If there is an imbalance between the two forces, the nucleus will decay. ... When protons and neutrons forma nucleus, energy is released. This energy is called the nuclear binding energy. Thisenergy comes from the conversion of a small amount of mass into energy.</span>
7 0
3 years ago
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