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lara31 [8.8K]
3 years ago
13

HELP ASAP PLZ!

Physics
2 answers:
Dafna1 [17]3 years ago
8 0
1. is D. Scientific method cannot be replaced. 
2. is B. 
3. is B as well.
Sveta_85 [38]3 years ago
6 0
For #1 the answer that is not true is as a computer simulation to predict weather then for #2 the answer is The process that scientists use to gain knowledge then for #3 the answer is to test a hypothesis

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23. Two spheres, with radii of R, are in contact with each other and attract each other with a force of F. If the radii of both
Mama L [17]

Answer:

Drop by a factor of 64

Explanation:

By Newtons law of gravity,

F=\frac{Gm₁m₂}{r^{2} } where;

G = Universal gravitaional constant

r = distance between center of gravities of two objects

m₁,m₂ = masses of thee objects.

F = Gravitational force.

m = \frac{4}{3}π r³ρ  (mass = volume into density.

So when radius is halved, mass drops by a factor of 8,

m' = \frac{4}{3}π (r/2)³ρ

     = \frac{1}{6}π r³ρ

So in substitution to the equation,

F'=\frac{G(m₁/8)(m₂/8)}{r^{2} }

F' = F/64

6 0
3 years ago
What is the technical name for the animal kingdom
enyata [817]
The community off animals
6 0
3 years ago
At what angle does the sun hit the temperate zone?​
Nostrana [21]

Answer:

at the 90 degree angle... i think

Explanation:

7 0
3 years ago
Read 2 more answers
After watching the video below and based on your personal experiences, is there a difference
jek_recluse [69]

Based on my personal experiences, I believe that there is a difference between areas in precision of control because there are different part of the brain that controls the functions of the body.

<h3>What is the difference between left-handed and right-handed people?</h3>

From the standpoint of  brain lateralization, differences do exist such as based on experience such as handedness or specific skills such as playing a guitar.

Note that Left-handers are said to have reduced or little lateralized brains, which tells us that the two halves of the brain are little different than as seen in the right-handers.

Therefore, I can say that based on my personal experiences, I believe that there is a difference between areas in precision of control because there are different part of the brain that controls the functions of the body.

Learn more about brain from

brainly.com/question/1247675

#SPJ1

3 0
2 years ago
The following picture shows some give reasons. Please answer it and I will mark you as brainliest......
kaheart [24]

a) earth acts as a lange magnetic. Therefore when a magnet is hanging freely, it points towards the magnetic poles (like a compass)

b) like poles repel and unlike poles attracts. We can conclude with repulsion that poles are same

c) In our everyday experience aluminum doesn't stick to magnets. (under normal circumstances aluminum isn't visibly magnetic)

7 0
3 years ago
Read 2 more answers
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