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3 years ago

11

Two models of the same compound are shown. In what way is Model A better than Model B?

2 answers:

Murljashka [212]3 years ago

8 0

Answer:

C- model a shows the three demensiobal shape of the molecule but model b does not

Explanation:

just did the quiz

astra-53 [7]3 years ago

7 0

The correct answer is Model A shows the three-dimensional shape of the molecule, but Model B does not.

Explanation:

Model A and B show the structure of a molecule. In the case of model A, the structure is represented through the use of three-dimensional shapes, while in model B the structure is represented using the letters of each element and showing how each element is connected to others.

In this context, one feature that makes model A better is that this represents the molecule using a 3D model, which is better to understand how the molecule looks like and what is its structure. Moreover, both models are alike because they show the number of atoms of each element, although model A does not show the types of elements.

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A jet airliner moving initially at 504 mph (with respect to the ground) to the east moves into a region where the wind is blowin

adelina 88 [10]

Answer

given,

intial velocity = 504 mph

wind speed = 219 mph

at an angle of 29◦

from the data

The resultant velocity =

$V = V_x \hat{i} + V_y\hat{j}$

$V = (504 + 219 cos 29^0 ) \hat{i} +(219 sin 29^0 )\hat{j}$

$V = 695.54\hat{i} + 106.17 \hat{j}$

the magnitude of velocity

$V = \sqrt{695.54^2+106.17^2}$

V = 703.59 m/s

direction

tan θ = $\dfrac{106.17}{695.54}$

θ = 8.676°

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4 years ago

What kind of acceleration occurs when an object speeds up?

Fantom [35]

Answer:

Postive Acceleration

Explanation:

3 0

3 years ago

Read 2 more answers

A 2170 kg space station orbits Earth at an altitude of 5.27 x 10^5 m. Find the magnitude of the force with which the space stati

patriot [66]

Answer:

F = 18195.59 N or F = 18196 rounded up

Explanation:

force = GMm/d^2

G = 6.67x10^-11

M = 5.98x10^24 kg

m = 2170kg

d = 6370000 + 527000 = 6897000m

putting all values (6.67x10^-11)(5.98x10^24)(2170)/(6897000^2) = 18195.59....

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3 years ago

Read 2 more answers

A sample from of water is heated with 5000 J of energy and its temperature goes up by 6 K. What is the mass of the sample?

Dima020 [189]

Answer:

mass= 0.1993 kg

Explanation:

Using the formula c = Q / (mΔT)

8 0

3 years ago

A 21.3 A current flows in a long, straight wire. Find the strength of the resulting magnetic field at a distance of 45.7 cm from

Bezzdna [24]

Answer:

The magnetic field strength due to current flowing in the wire is9.322 x 10⁻⁶ T.

Explanation:

Given;

electric current, I = 21.3 A

distance of the magnetic field from the wire, R = 45.7 cm = 0.457 m

The strength of the resulting magnetic field at the given distance is calculated as;

$B = \frac{\mu_o I}{2\pi R}$

Where;

μ₀ is permeability of free space = 4π x 10⁻⁷ T.m/A

$B = \frac{\mu_o I}{2\pi R}\\\\B = \frac{4\pi*10^{-7} *21.3}{2\pi(0.457)}\\\\B = 9.322 *10^{-6} \ T$

Therefore, the magnetic field strength due to current flowing in the wire is 9.322 x 10⁻⁶ T.

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3 years ago