Which scientist was the first to propose the heliocentric model of the universe? A. Aristotle B. Isaac Newton C. Galileo Galilei D. Nicolaus Copernicus

Answers

Answer 1

Answer:

The answer would defiantly be option D "Nicolaus Copernicus." Copernicus was first to purpose the model of the universe, back in 1543 he presented a heliocentric model of the universe, he also made a geocentric model.

Hope this helps!

Nonportrit

Answer 2

Answer:

Answer:

Option (D)

Explanation:

Heliocentric model was discovered by the great scientist Nicolaus Copernicus.

According to the Heliocentrism theory, the sun is believed to be located at the center of our solar system and earth along with other planets revolves around it in a circular path.

There were certain limitation of this theory. This theory was unable to describe why the stars most of the time exist to be at the same place, inspite of the frequently changing positions of earth as it revolves around the sun.

Thus, the correct answer is option (D).

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How do you find cumulative effect of two or more forces acting on an object

Answers

The cumulative effect, or the resultant, of two or more forces is obtained by resolving the forces. This is done by addition if the forces act in the same direction through the same point and by subtraction if the forces act in opposite direcitons through the same point. However, if the forces are placed at an angle to one another, they must be resolved into their consituent x and y (and z if necessary) components and then their resultant is calculated.

Answer:

Cumulative effect of two or more force can be found using Vector sum of all forces

Explanation:

Force is a vector quantity and in order to find the resultant of two or more forces we have to use the concept of vector addition

here we know that vector addition rule is given as

$F_(net) = √(F_1^2 + F_2^2 + 2F_1F_2cos\theta)$

here we know that

$\theta$ = angle between two forces

so using this equation we can find the cumulative effect of two forces which are inclined at an angle with respect to each other

Which sub-atomic particle is positively charged and found in the nucleus? A) proton B) neutron C) electron D) beta particle

Answers

It's a proton. There are always at least 1 inside a nucleus

Water vapor is cooled in which of the following processes? A. Turbulence
B. Convection
C. Precipitation
D. Wind storms

I believe it’s C but I’m not sure .

Answers

Answer:

B. Precipitation.

Explanation:

Precipitation is any liquid or frozen water that forms in the atmosphere and falls back to the Earth. It comes in many forms, like rain, sleet, and snow.

Answer:

Precipitation

Explanation:

Precipitation occurs when water vapour in the atmosphere condenses and falls back to the earth as rainfall or precipitation. Water vapour is gaseous, when it is cooled, it condenses to the liquid state. Hence precipitation has to do with cooling of water vapour that escapes from the earth surface. This cooling occurs in the cloud and then precipitation follows. See image attached for more details.

What does pi mean. full

Answers

To 50 decimal places pi=3.14159265358979323846264338327950288419716939937510

Pi is commonly used in its more simpler from, and its most commonly known form of 3.141

I hope this answers your question.

pi is the number of times a diameter can go around a circle. It is also a greek letter. people are still trying to figure out the WHOLE number, but the first few numbers are 3.141592

Whenever the motion of an object change,____ has been applied.

Answers

Whenever the motion (speed or direction) of an object changes, we say that acceleration has occurred. From Newton's First Law of Motion, we know that force has been applied to the object.

What is the formula for kinetic energy?

Answers

Kinetic Energy = 1/2 (mass) (speed squared)

k.e.=1/2m v^2

hope this helps

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