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strojnjashka [21]
3 years ago
13

Since the beginning of time, some people have believed that the Earth is flat. Beginning around 300 B.C., however, some began to

wonder if the Earth is actually spherical in shape.
Those that favored the flat Earth theory made the following observations:
The Earth is stable because it is a flat landmass sandwiched between a flat layer of air and a flat layer of water.

If the Earth is spherical, then oceans should be curved on top, but they aren't.

Some rivers flow for hundreds of miles but only fall a few feet. The rivers should fall farther if the Earth is spherical.

If the Earth is spherical, people and animals that inhabit the Earth would notice as they walked along its surface.

Since mariners are able to use flat compasses to navigate their ships without crashing, the Earth must not be a sphere.

Those that disputed the flat Earth theory countered the claim by observing that Christopher Columbus was able to sail around the Earth without falling off the edge and later, by presenting satellite imagery taken from space of a spherical Earth.

This example demonstrates that
A.
it is easy to resolve a scientific argument.
B.
argumentation is a necessary part of scientific inquiry.
C.
scientific knowledge is unattainable.
D.
it is not possible to settle a dispute.
Physics
1 answer:
tatuchka [14]3 years ago
5 0
This example illustrates statement-B.

If one side can't understand scientific arguments, or doesn't want to hear them, or doesn't want to think about anything that might change their mind, then statement-D is also illustrated in that case.
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Hatshy [7]

Answer:

Explanation:

Kinetic energy of ball in motion = 1/2 m v² . Potential energy = 0

Let the minimum distance between the balls be d  on collision.

Electric potential energy at that time= k Q²/d , Here kinetic energy is converted into potential energy . So

1/2 m v² = kQ²/d

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4 years ago
What is Mass definition for physics
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Explanation:

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4 0
3 years ago
Fill in the chart below to identify the name of the process that explains the state of change indicated, the states of matter be
yuradex [85]

1.  Changing from solid to a liquid is called melting / fusion and happen

at the melting/ fusion point.

Reason: melting point is a temperature at which a solid melt and converts into liquid by providing heat.

2. Changing from liquid to gas is called evaporation/boiling and happens at the evaporation/boiling point.

Reason. Evaporation is a process in which molecules from surface of liquid convert into gas.

3.   Changing from a gas to a liquid  is called condensation and happens at the condensation point.

Reason : In condensation process  gas particles converts into liquid droplets.

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3 0
4 years ago
Read 2 more answers
The Hall effect is to be used to find the sign of charge carriers in a semiconductor sample. The probe is placed between the pol
Alborosie

Answer:

the sign of these carriers is POSITIVE

Explanation:

In the effect, he found the charge carriers that were subjected to two forces, one electric and the other magnetic.

        F = F_e + F_m = q E + q v x B

bold indicates vectors

The electric field goes to the east, therefore the current also has this direction, the vector product of the velocity of the charge carriers towards the east and the magnetic field upwards, using the right hand rule a magnetic force is created towards the north if the carriers are positive.

In the exercise they indicate that the north side has a higher potential than the south side, therefore there must be an accumulation of carriers on this side that create an electric field (Hall) that is put to the magnetic force until reaching equilibrium when the total force is zero.

Therefore the sign of these carriers is POSITIVE

6 0
3 years ago
How are matter and substances related?
Sedbober [7]
Matter is anything that has mass and takes up space. Substances are types of matter that are pure. Just remember that matter has mass and they both start with "m." Substances are <u>types of matter</u>. Cheers, mimiisawesome5
4 0
4 years ago
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