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RoseWind [281]
3 years ago
15

Can someone help please and thank you:)

Physics
1 answer:
Ray Of Light [21]3 years ago
4 0

Answer:

The answer is C.

Explanation:

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What is the state capital of Florida?
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Given that the electromagnetic force is far stronger than gravity on a per-particle basis, why doesn't the electromagnetic force
Kaylis [27]

Explanation:

The electro magnetic force is given by

F = \frac{k.q_{1}.q_{2}}{r^{2}}

where q_{1} and q_{2} are charged particles

           k =Coulombs constant

          r = distance between two charges

And gravitational force is given by

F = \frac{G.m_{1}.m_{2}}{r^{2}}

where m_{1} and m_{2} are masses

           G =Garvitation constant

          r = distance between two masses

Now since the planets, stars and galaxies are electrically neutral, therefore they have zero electrical charge and so electro magnetic forces have no affect on  these planets, stars and heavenly bodies.

     Whereas the masses of the heavenly bodies are very large, so they are largely affected by the gravitational force since Gravitational force is directly proportional to the product of the masses of a body.

Therefore, though the electromagnetic force is stronger than the gravitational force, the electromagnetic force does not dominate the forces in the heavenly bodies as they as not electrically charged.

8 0
4 years ago
A ladder placed up against a wall is sliding down. The distance between the top of the ladder and the foot of the wall is decrea
Kitty [74]

Answer:

distance changing at rate of 3.94 inches/sec

Explanation:

Given data

wall decreasing at a rate = 9 inches per second

ladder L = 152 inches

distance  h = 61 inches

to find out

how fast is the distance changing

solution

we know that

h² + b² = L²   ..................1

h² + b² = 152²

Apply here derivative w.r.t. time

2h dh/dt + 2b db/dt = 0

h dh/dt + b db/dt = 0

db/dt = - h/b × dh/dt     .............2

and

we know

h = 61

so h² + b² = L²

61² + b² = 152²

b² = 19383

so b = 139.223

and we know dh/dt = -9 inch/sec

so from equation 2

db/dt = -61/139.223  (-9)

so

db/dt = 3.94 inches/sec

distance changing at rate of 3.94 inches/sec

3 0
3 years ago
question why if you keep dieing in zombies on cold war u think im gunna rev you. i just got the key and the d.i.e remote and am
tino4ka555 [31]

Answer:

??????? umm what r u saying??? kinda confusing..............what does question why if you keep dieing in zombies on cold war u think im gunna rev you. i just got the key and the d.i.e remote and am geting the wonder wepon. but soon as that door explode you so quick to grab it you die. played me like a fool. why the heck you keep tryna exfil on round 15 BOI IF YOU DONT WQBFUFHJEWFHFNQC! packapunched knife to tier 1 head aS BOI!!! mean????????

very very very confusing

Explanation:

plz mark brainlyist :()

6 0
3 years ago
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