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3 years ago

Which best describes the main difference between science and pseudoscience

2 answers:

6 0

Science
DefineA body of knowledge and the process of gaining new knowledgePseudoscience
DefineSometimes a practice or a belief claims to be science, but does not follow specific criteria. Criteria that define true science include scientific experimentation, replication of results,and peer review. Beliefs and claims that do not meet these criteria are called pseudoscience

Rzqust [24]3 years ago

6 0

Answer:

Science tests and proves; pseudoscience relies on evidence that supports a belief or theory.

Explanation:

Both science and pseudoscience have been used by scientists for ages.

Science is a factual approach to a problem. It tests the reliability, repeatability, replicability and tests any hypothesis to see if there is solid evidence to support the claim. This is done by a series of experiments that test the hypothesis. Based on the results, the hypothesis can either be nullified (rejected) or accepted.

Pseudoscience on the other hand, relies on evidence but lacks scientific practices to support the claim. The method is filled with errors as there is no proof.

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How is Einstein's equation E = mc^2 used in medicine?

zlopas [31]

This equation is used in nuclear medicine. Nuclear medicine is the branch of medicine that deals with the use of radioactive substances in research, diagnosis, and treatment.

In physics, this equation is generally used in the nuclear physics. E = mc^2 gives the energy release during a nuclear reaction.

8 0

3 years ago

A 13.0-g wad of sticky clay is hurled horizontally at a 110-g wooden block initially at rest on a horizontal surface. The clay s

Alisiya [41]

Answer:

$v_{ic}=92.53 m/s$

Explanation:

We need to apply conservation of momentum and energy to solve this problem.

Conservation of momentum

$p_{i}=p_{f}$

$m_{c}v_{ic}=(m_{c}+m_{w})V$ (1)

m(c) is the mass of stick clay
m(w) is the mass of the wooden block
v(ic) is the initial velocity of clay
V is the final velocity of the system clay plus wood.

Conservation of total energy

The change in kinetic energy is equal to the change in internal energy, in our case it would be the energy loss due to the friction force. Let's recall the definition of work, it is the dot product between force and displacement, Therefore:

$\Delta E=W$

$\frac{1}{2}(m_{c}+m_{w})V^{2}=F_{friction}*d$

$\frac{1}{2}(m_{c}+m_{w})V^{2}=\mu (m_{c}+m_{w})gd$

We can find V from this equation:

$V=\sqrt{2\mu gd}=\sqrt{2*0.65*9.81*7.5}=9.78 m/s$

Now, let's put V into the equation (1) and find v(ic)

$v_{ic}=\frac{(m_{c}+m_{w})V}{m_{c}}=\frac{123*9.78}{13}=92.53 m/s$

I hope it helps you!

8 0

3 years ago

A rocket ship leaves Earth's atmosphere. Its initial velocity is less than its final velocity. What is this an example of?

77julia77 [94]

I believe this would be an example of positive acceleration as the initial velocity of the rocket is less than the final velocity, indicating that the rocket is accelerating and thus is positive.

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2 years ago

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What role does the spark from the igniter play in the reaction that takes place when propane is burned in a gas grill?

kipiarov [429]

The spark provides enough energy to break the bonds of reacting molecules and get the reaction started.

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3 years ago

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What is the correct answer

posledela

Answer: