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3 years ago

Electro negativity increases when atoms __. (Apex)

Physics

2 answers:

Lady bird [3.3K]3 years ago

6 0

Answer:

A. Have a small atomic radius

D. Are located on the right of periodic table

Explanation:

Elements on the right with smaller atomic radii have higher electronegativities.

Yes I know I answered a few months late, the reason why I answered this is because so other people that have this question would know both of the correct choices. If you want to you could give this brainlest, you don't have to if you don't want. To be honest I don't really care if you do or not.

abruzzese [7]3 years ago

3 0

C. I took the test...........

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A car starts from rest at a stop sign. It accelerates at 4.0 m/s^2 for 3 seconds, coasts for 2 s, and then slows down at a rate

zubka84 [21]

<span>FIRST SECTION You should use the formula for uniformly accelerated linear movement. Initial speed is 0 because it starts from rest. d=(1/2)*a*t^2+vo*t =(1/2)*(4.0 m/s^2)*(3s)^2+0*3s=(1/2)*(4.0 m/s^2)*3^2*s^2+0=2.0 m*9=18m You can calculate the final speed with the other formula: v=a*t+vo=(4.0 m/s^2)*(3s)+0=(4.0 m/s)*(3)=12m/s SECOND SECTION You should use the formula for uniform linear movement. Velocity is a constant: it remains in 12m/s. d=v*t=12m/s*2s=12m*2=24m THIRD SECTION We should use the same formulas as the first section, but with different numbers. Initial velocity will be 12m/s, and then velocity will start to decrease until it gets to 0. We don’t know what the time is for this section. Acceleration is negative, because it’s slowing down. v=a*t+vo 0=-3.0 m/s^2*t+12m/s 3.0 m/s^2*t=12m/s t=(12m/s)/(3.0 m/s^2)=4(1/s)/(1/s^2)=4s^2/s=4s Now let’s use that time in the other formula: d=(1/2)*a*t^2+vo*t =(1/2)*(-3.0 m/s^2)*(4s)^2+(12m/s)*3s=(-1.5 m/s^2)*4^2*s^2+12*3m*s/s=-1.5 m*4^2+36m=-1.5*16m+36m=-24m+36m=12m Now let’s add the 3 stages: d=18m+24m+12m=54m </span>

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3 years ago

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Neap tides, relatively weak tides, occur when the Moon is in position(s)

inna [77]

its D. B and D beacuse tthat the neap tides

7 0

3 years ago

On a certain map, every 3 cm represents 6 km on earth surface. Which ratio represents the scale of the map, which shows how the

damaskus [11]

Answer:

1 : 2 cm/km or $\frac{1}{2} \, \frac{cm}{km}$

One cm represents 2 km.

Explanation:

If 3 cm represents 6 km on the earth, the ratio to consider is: 3 : 6 cm/km which is the same as:

1 : 2 cm/km or $\frac{1}{2} \, \frac{cm}{km}$

One cm represents 2 km.

4 0

3 years ago

Vector c has a magnitude 24.6 m and is in the direction of the negative y-axis. vectors a and b are at angles Î± = 41.4Â° and Î²

storchak [24]

The vector c has a magnitude of 24.6m and it is in the negative y direction. Therefore
$\vec{c} = - 24.6 \hat{j}$

The vector b is 41.4° up from the x-axis. Therefore
$\vec{b} = b[cos(41.4^{o}) \hat{i} + sin(41.4^{o}) \hat{j} ] =b(0.75\hat{i} + 0.6613 \hat{j})$

The vector a is 27.7° up from the x-axis. Therefore
$\vec{a} = a[cos(22.7^{o})\hat{i} + sin(27.7^{o})\hat{j}] = a(0.8854\hat{i} + 0.4648\hat{j})$

Because $\vec{a} +\vec{b} + \vec{c} = 0$ , the sum of the x and y components should be zero. Therefore,
For the x-component,
0.8854a + 0.75b = 0
or
a + 0.847b = 0 (1)
For the y-component,
0.4648a + 0.6613b - 24.6 = 0
or
a + 1.4228b = 52.926 (2)

Subtract (1) from (2).
0.5758b = 52.926
b = 91.917
a = -0.847b = -77.854

Answer:
The magnitude of vector a is -77.85 m
The magnitude of vector b is 91.92 m

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3 years ago

Which object is least likely to allow light to pass through it?

jeka57 [31]

a tree truck

is the answer i hope this helps you xD

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3 years ago

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