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MissTica
3 years ago
8

A scientist studies a model of a widely accepted theory about the position of planets and sun. The model would most likely help

the scientist to: A) prove that the theory would not change in the future
B) demonstrate how the theory can be changed into a law

C) understand facts which cannot be easily observed

D) prove that all other facts about the universe are incorrect
Physics
2 answers:
Troyanec [42]3 years ago
4 0
If a scientist is studying a model that is a widely accepted theory about the position of planets and sun, the model would most likely help the scientist to understand facts that can't be easily observed. That will make the correct answer to be C. 
pishuonlain [190]3 years ago
3 0

Before coming into any conclusion, first we have to understand a model.

A model is the evidence based representation of general idea of objects,animals or events which can not be visualized directly. The evidence on the basis of which the model is postulated can not be always correct under all conditions.It can be modified and reshaped depending on further investigation on it.

As per this question, a scientist studies a model of a widely accepted theory about the position of planets and the sun. On the basis of his study a model was produced.

From above mentioned ideas about a model it is obvious that the correct answer to the question will be C) understand facts which cannot be easily observed

.


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How long would it take for a rock falling 97.2 m/s to reach the ground from 100 meters
mote1985 [20]

Answer;

velocity(v) = 97.2 m/s ,

distance (S) = 100 m

determine time(t) = ?

  We know that,

               distance (S) = velocity(v) × time(t)

           So,      time (t) = distance ÷ velocity

                                   = 100 ÷ 97.2

                              <em>   t = 1.02 sec.</em>

<em>I hope this will help you.</em>

5 0
4 years ago
Air is being pumped into a spherical balloon so that its volume increases at a rate of 150 cm3/s. How fast is the radius of the
Slav-nsk [51]

0.119cm/s is the radius of the balloon increasing when the diameter is 20 cm.

<h3>How big is a circle's radius?</h3>

The radius of a circle is the distance a circle's center from any point along its circumference. Usually, "R" or "r" is used to indicate it.

A circle's diameter cuts through the center and extends from edge to edge, in contrast to a circle's radius, which extends from center to edge. Essentially, a circle is divided in half by its diameter.

dv/dt = 150cm³/s

d = 2r = 20cm

r = 10cm

find dr/dt

Given that the volume of a sphere is calculated using

v = 4/3πr³

Consider both sides of a derivative

d/dt(v) = d/dt( 4/3πr³)

dv/dt =  4/3π(3r²)dr/dt = 4πr²dr/dt

Hence,

dr/dt = 1/4πr².dv/dt

dr/dt = 1/4π×(10)²×150

dr/dt = 1/4π×100×150

dr/dt = 0.119cm/s.

To know more about radius visit:

brainly.com/question/15053236

#SPJ4

3 0
1 year ago
Christine Ladd-Franklin was a mathematician and psychologist who faced many obstacles as a woman, but she persevered and made si
Veseljchak [2.6K]
The struggles were that women weren't really supposed to get an education back then, people called intelligent women witches and wouldn't teach them things. Those were the main struggles. As for her contributions to psychology, check this site out, https://en.wikipedia.org/wiki/Christine_Ladd-Franklin
7 0
3 years ago
How does a computer process data? *
elena55 [62]

The correct answer D: all of the above

5 0
3 years ago
A 38.5kg man is in an elevator accelerating downward. A normal force of 343n pushes up on him. what is his acceleration?
alexira [117]

Answer:

<h3>The answer is 8.91 m/s²</h3>

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

a =  \frac{f}{m}  \\

f is the force

m is the mass

From the question we have

a =  \frac{343}{38.5}  =  \frac{98}{11}  \\  = 8.909090...

We have the final answer as

<h3>8.91 m/s²</h3>

Hope this helps you

4 0
3 years ago
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