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4 years ago

12

Explain three differences between a science and a pseudoscience.

1 answer:

grin007 [14]4 years ago

8 0

1) science does not accept personal story's as evidence, pseudoscience relies on these story's as evidence.
2) science argues from scientific knowledge, pseudoscience argues from ignorance
3) science progresses, pseudoscience does not progress
and 4) (just in case) science holds pier review, pseudoscience does not

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Two point charges, initially 2.0 cm apart, experience a 1.0 N force. If they are moved to a new separation of 0.25 cm, what is t

den301095 [7]

Explanation:

Th electric force between charges is inversely proportional to the square of distance between them. It means,

$F\propto \dfrac{1}{r^2}$

Initial distance, r₁ = 2 cm

Final distance, r₂ = 0.25 cm

Initial force, F₁ = 1 N

We need to find the electric force between charges if the new separation of 0.25 cm. So,

$\dfrac{F_1}{F_2}=(\dfrac{r_2}{r_1})^2\\\\F_2=\dfrac{F_1r_1^2}{r_2^2}\\\\F_2=\dfrac{1\times 2^2}{(0.25)^2}\\\\F_2=64\ N$

So, the new force is 64 N if the separation between charges is 64 N.

7 0

3 years ago

If the angle of incidence shown in the illustration is 30 degrees, the angle of reflection is

astraxan [27]

<span> the angle of reflection is 30 degrees</span>

8 0

3 years ago

Michelle is going to vacation in a location on the globe that is currently experiencing summer and daylight. According the model

Anastaziya [24]

Location B I think
:)

8 0

3 years ago

A particular roller coaster has a mass of 3500 kg, a height of 4.0, and a velocity of 12m/s. What is the potential energy? If ne

Evgesh-ka [11]

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

Gravitational Potential Energy of an object is calculated by formula ~

$\large\boxed{\sf P = mgh}$

where,

m = mass of the object = 3500 kg

g = Acceleration due to gravity = 12 m/s²

h = height attained by the object = 4 m

Now, let's calculate its potential energy ~

$3500 \times 10 \times 4$

$140000 \: \: joules$

$140 \: \: kj$

5 0

3 years ago

In which case is there an induced electromotive force?

Papessa [141]

I think it's B, that's the only case where something is moving. I'm actually doing the quiz right now lol

4 0

3 years ago

Read 2 more answers