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BARSIC [14]
2 years ago
14

Someone help me please.

Physics
1 answer:
Alekssandra [29.7K]2 years ago
7 0

Answer:

ionic

ionic

covalent

covalent (i think)

Explanation:

ionic= donate electrons (gain/lose)... (results in ions that have +/- charge, are no longer neutral)

covalent= share electrons

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Help quick<br> p;leaseeeeeeeeeeee its about direction and magnitude
KonstantinChe [14]

Explanation:

The net force of each square is the combination of the forces in each direction. The direction is the... direction the square would go in due to the net force. The magnitude of the net force is how large it is. So if you had a force pushing 2N to the left and 1N to the right, then the net force would be 1N to the left; because the two oppose eachother. If they were going in the same direction, then they'd add to each other. And perpendicular net forces (like one pushing up and another pushing left) can create net forces in diagonal directions.

I'm not going to do all of these for you because they're basically all the same thing and it's good practice for you anyway. But I'll do the first three just so you can get the idea:

1. The net force's magnitude is 4N and it's direction is to the right.

2. The net force's magnitude is 4N and it's direction is to the left.

3. The net force's magnitude is 0N and it has no direction because they are equal forces acting in opposite directions.

7 0
3 years ago
How to describe electric current as the flow of electrons
givi [52]
An electric current is a flow of electric charge. In electric circuits this charge is often carried by moving electrons in a wire. It can also be carried by ions in an electrolyte, or by both ions and electrons such as in an ionised gas (plasma).
4 0
3 years ago
Vera and her three sisters received the same amount of money to go to the school festival. Each girl spent $12. Afterward, the g
rodikova [14]

Answer:

$18

Explanation:

Each of the was qiven $18

All together =24

24 divide it by 4 (because there were 4 people there)

= 6  (6+6+6+6)

= 24

=6+12=18    

.Hence each of them was given $18

7 0
2 years ago
How long does it take light to reach us from the Sun, 1.53x108 km away? Give your answer in minutes.
muminat

Answer:

Sun light takes 8.5 minutes to reach Earth.

Explanation:

Light travels in vacuum at constant speed c= 3 \times 10 ^8 \cfrac ms, so we can find the time it takes to travel the given distance from Earth to Sun using a kinematic equation.

Finding the time it takes for Sun light to reach us.

Using the kinematic equation d = vt, we can solve for time t, which will give us

t = \cfrac dv

We can replace the equation with the given values, but before doing that, we need the values to be on SI units, thus the distance becomes

d= 1.53 \times 10^8 km \times \cfrac{1000 m}{1 km }\\d = 1.53 \times 10^{11} m

Replacing the values on the time equation give us

t = \cfrac{1.53 \times 10^{11} m}{3 \times 10^{8} \cfrac ms}\\t = 510 s

We get as result 510 seconds, then we must convert them in minutes.

t = 510 s \times \cfrac{1 min}{60s}\\\boxed{t = 8.5 min }

So we can conclude that Sun light takes 8.5 minutes to reach Earth.

7 0
3 years ago
You use a 1200-watt hair dryer for 10 minutes each day. a. How many minutes do you use the hair dryer in a month? (Assume there
sertanlavr [38]
300 minuts
5 hours
1.2 killowatt
6 killowatt hour
6*0.15=0.9
$0.9

3 0
3 years ago
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