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Ivahew [28]
3 years ago
6

Which of the following is true about scientific models? (2 points) Select one: a. Models are used to simplify the study of thing

s. b. Computer models are the most reliable kind of model. c. Models explain past, present and future information. d. A model is accurate if it does not change over time.
Physics
2 answers:
PIT_PIT [208]3 years ago
6 0

I believe the answer is A

Vanyuwa [196]3 years ago
5 0

Question: Which of the following is true about scientific models?  Select one: A) Models are used to simplify the study of things. B) Computer models are the most reliable kind of model. C) Models explain past, present and future information. D) A model is accurate if it does not change over time.

Answer: <u>A) Models are used to simplify the study of things.</u>

<em>Hope this helps!.</em>

<em>~~~~~~~~~~~~~~~~~~~~~~</em>

<em>~A.W~ZoomZoom44</em>

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Which of the following electron configurations for neutral atoms is correct?
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Nitrogen: 1s2, 2s2, 2p3 is correct answer.
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If the speedometer of your car reads a constant speedometer of your car reads a constant speed of 40km/hr , can you say the car
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I think u can say thats a constant velocity, but remember if ur turning, or going around a curve, that is also changing velocity. Hope this helps have a great day! 
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4 years ago
A gun is fired parallel to the ground. at the same instant a bullet of equal size and mass next to the muzzle is released and dr
jolli1 [7]

Both hits the ground <u>at the same time</u> because they have <u>same vertical acceleration</u>

<u></u>

<h3>What is vertical  acceleration?</h3>

A vertical acceleration is typically one for which the direction of the vector is vertically upward, usually aligned with and opposite to the gravity vector. But this is a descriptive term, not a rigorous or technical term. A car may accelerate along a road and that would generally be assumed to be a horizontal.

The vector perpendicular to this direction, as perhaps a suspension motion over a bump, would be described as vertical even if it is not strictly vertical.

Note that acceleration is defined as the rate of change of the velocity vector. But the gravitation vector, ‘g’, generally vertically downward, is often denoted by what acceleration a mass in free fall (absent air resistance) would experience, i.e. the relationship between mass and weight.

Learn more about vertical acceleration

brainly.com/question/19528199

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3 0
1 year ago
A car in an amusement park ride rolls without friction around a track (Fig. P7.42). The hB car starts from rest at point A at a
MrRissso [65]

Answer:

h>\dfrac{5}{2}R

Explanation:

Given that

Height = h

Radius = R

From energy conservation

KE_A+U_A=KE_B+U_B

At point B

The minimum speed to complete the   the circle

V_B=\sqrt{gR}\ m/s

So the kinetic energy at point B

KE_B=\dfrac{1}{2}mV^2

KE_B=\dfrac{1}{2}mgR

KE_A+U_A=KE_B+U_B

0+mgh=\dfrac{1}{2}mgR+2mgR

Without falling off at the top (point B)

0+mgh>\dfrac{1}{2}mgR+2mgR

mg(h-2R)>\dfrac{1}{2}mgR

g(h-2R)>\dfrac{1}{2}gR

h>\dfrac{5}{2}R

6 0
4 years ago
Hydrogen cyanide (HCN) is a product of combustion that:
bekas [8.4K]

b. is equally as toxic as carbon monoxide (CO).

Explanation:

Hydrogen Cyanide is a product of combustion that is equally as toxic as carbon monoxide CO.

The gas is a product of combustion in blast furnances, coke ovens, e.t.c

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  • Prolonged exposure to hydrogen cyanide can lead to death eventually.
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Learn more:

Safety data sheets brainly.com/question/2188622

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5 0
3 years ago
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