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3 years ago

12

The process of thinking that involves considering an overall general idea or theory and drawing specific conclusions or making s

pecific predictions is called __________.

1 answer:

Zigmanuir [339]3 years ago

7 0

<h2>Answer:</h2>

Deductive reasoning

<h2>Explanation:</h2>

The process of using pre-existing knowledge to make logical conclusions, make predictions and draw out explanations is called reasoning. Reasoning are basically of two types:

i. Deductive reasoning: This takes a general rule, idea, or theory as foundation and then proceeds from there to draw meaningful conclusions or predictions. For example;

<em> If a = 3 ----------------(i)</em>

<em> And b = 5 ----------------(ii)</em>

<em> Then 2a + 4b = 26 -------------(iii)</em>

From above, following from equations (i) and (ii), it can be concluded that (iii) should be true.

ii. Inductive reasoning: While deductive reasoning moves from a general rule to specific rule, inductive reasoning does the opposite - moves from specific to a general rule.

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On a hot summer day, heat waves can be seen rising from the asphalt. What type of heat transfer do the heat waves demonstrate?

Angelina_Jolie [31]

What you see rising from the road ... and call "heat waves" ...
are rising currents of air. The air that's been heated by
contact with the hot asphalt rises. (Why ? By being heated,
it becomes less dense than the other air around it, and the
buoyant force of being a less dense substance in a more dense
fluid makes it rise (float) ).

If we want to paint a complete picture, we can find all three
types of heat transfer going on here:

1). The air getting heated by direct contact with the hot road ==> conduction

2). The hot air rising through the cooler air around it ==> convection

3). How the road got so hot in the first place ==> radiation, from the sun

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3 years ago

An electron moves along the z-axis with vz=4.1Ã107m/s. As it passes the origin, what are the strength and direction of the magne

Artist 52 [7]

Answer:

a

The value of magnetic field is $B_a=6.56*10^{-19} T$

In the direction of the positive x - axis

b

The value of magnetic field is $B_a=6.56*10^{-19} T$

In the direction of the positive z - axis

Explanation:

From the question we are told that

The velocity of the electron is $v_z = 4.1*10^{7}m/s$

Considering the first position

The equation for the magnetic field is

$\= B = \frac{\mu_0}{ 4 \pi} \frac{q \=v * \= r}{r^2}$

Now $r = \sqrt{i^2 + j^2 + k^2}$

substituting values

$r = \sqrt{1^2 +0^2 +0^2}$

$= 1$

$\= r = \frac{\r r}{r}$

$\r r = 1 i + 0j + 0k$

Therefore $\= r = \frac{1i + 0j + 0k}{1}$

$= i$

So Substituting $4 \pi *10^ {-7}$ for $\mu_o$ , $1.602 *10^{-19}$ for q

$\= B_a = \frac{4\pi *10^{-7}}{4 \pi} \frac{1.602 *10^{-19} * 4.1*10^{7} * i}{1^2}$

$\= B_a=6.56*10^{-19} T (i)$

Considering the second position

Here

$r = \sqrt{0^2 + 0^2 + 2^2}$

$=2$

$\= r = \frac{\r r}{r}$

$\r r = 0 i + 0j + 2k$

$\= r = \frac{0i + 0j + 2k}{2}$

$= k$

So Substituting $4 \pi *10^ {-7}$ for $\mu_o$ , $1.602 *10^{-19}$ for q

$\= B_a = \frac{4\pi *10^{-7}}{4 \pi} \frac{1.602 *10^{-19} * 4.1*10^{7} * k}{1^2}$

$\= B_a=6.56*10^{-19} T (k)$

6 0

3 years ago

A sample of blood is placed in a centrifuge of radius 16.0 cm. The mass of a red blood cell is 3.0 ✕ 10−16 kg, and the magnitude

Anettt [7]

Answer:

$f=145.29Hz$

Explanation:

The centripetal force is given by:

$F_c=ma_c(1)$

Here m is the body's mass in which the force is acting and $a_c$ is the centripetal acceleration:

$a_c=\frac{v^2}{r}(2)$

Here v is the speed of the body and r its radius. The speed is given by:

$v=2\pi fr(3)$

Replacing (3) in (2):

$a_c=4\pi^2f^2r(4)$

Replacing (4) in (1) and solving for f:

$F_c=m4\pi^2 f^2r\\\\f=\sqrt{\frac{F_c}{4m\pi^2r}}\\f=\sqrt{\frac{4*10^{-11}N}{4(3*10^{-16}kg)\pi^2(16*10^{-2}m)}}\\f=145.29Hz$

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3 years ago

In selecting either a box or open-end wrench, care should be taken to see that the ? properly fits the nut.

ollegr [7]

Answer:

In selecting either a box or open end wrench, care should be taken to see that the wrench properly fits the nut.

Explanation:

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3 years ago

What is the speed of a 200-kilogram car that is driving with 2000 joules of kinetic energy? (SHOW ALL WORK)

Katyanochek1 [597]

Answer:

v ≈ 4.47

Explanation:

The Formula needed = <u>KE = </u> $\frac{1}{2}$ <u> m v²</u>

<u></u>

Substitute with numbers known:

2000J = $\frac{1}{2}$ × 200kg × v²

Simplify:

÷100 ÷100 (Divide by 100 on both sides)

2000J = 100 × v²

$\frac{2000J}{100}$ = v²

20 = v²

√ √ (Square root on both sides)

√20 = √v²

4.472135955 = v (Round to whatever the question asks)

v ≈ 4.47 (I rounded to 2 decimal places or 3 significant figures, as that is what it usually is)

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3 years ago