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3 years ago

Some people today claim the Earth is flat. Produce an argument to prove that the

Physics

2 answers:

butalik [34]3 years ago

6 0

It’s not flat because how can we be 3D when our planet is flat

olga55 [171]3 years ago

6 0

Answer:

i mean i think it is. we have no real pics of the earth they are all fake. And the moon landing was fake. the usa flag was blowing but there is no wind in space . its all fake

Explanation:

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Which three characteristics make iron a good blackbody radiator?

victus00 [196]

Answer:

A, C, and D

Explanation:

Just did the quiz

4 0

3 years ago

What is the acceleration of an object that goes from 45m/s to 10 m/s in 5 seconds?

kipiarov [429]

Answer:

$\boxed {\boxed {\sf a= -7 \ m/s^2}}$

Explanation:

Acceleration is the change in velocity over time.

$a= \frac {v_f-v_i}{t}$

The object accelerates from 45 meters per second to 10 meters per second in 5 seconds. Therefore,

$v_f=10 \ m/s \\v_i= 45 \ m/s \\t= 5 \ s$

Substitute the values into the formula.

$a= \frac{ 10 \ m/s - 45 \ m/s}{5 \ s}$

Solve the numerator.

$a= \frac { -35 \ m/s}{5 \ s}$

Divide.

$a= -7 \ m/s/s$

$a= -7 \ m/s^2$

The acceleration of the object is -7 meters per square second. The acceleration is negative because the object's velocity decreases and the object slows down.

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3 years ago

Blank is how high or low you think a sound is

vfiekz [6]

The word is "pitch", which is exactly that: How "high" or "low" a sound is.

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4 years ago

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In an open system such as a campfire matter can

eimsori [14]

In an open system such as a campfire, matter can lose particles, gain particles or exchange particles.

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3 years ago

What is happening at the atomic level to give rise to the observed energy?

ziro4ka [17]

Here is the answer. What is happening at the atomic level to give rise to the observed energy is that the atomic level is affected by the movement of electrons so as to give rise to the observed energy. Hope this answers your question. Have a great day!

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4 years ago