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agasfer [191]
4 years ago
13

I need help plz and thank you❤

Physics
1 answer:
vekshin14 years ago
4 0
The Zebra is moving from 0-10 and 40-60 and not moving from 20-40
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Davahl is interested in tortoises because they can live for over a hundred years and have unique metabolisms. She wants to perfo
lesya [120]
I would say its time
4 0
3 years ago
Read 2 more answers
The amount of charge that passes through the filament of a certain lightbulb in 2.00 s is 1.67 C. If the current is supplied by
Artemon [7]

Answer:

E = 20.03 J

Explanation:

Given that,

The amount of charge that passes through the filament of a certain lightbulb in 2.00 s is 1.67 C,

Voltage, V = 12 V

We need to find the energy delivered to the lightbulb filament during 2.00 s.

The energy delivered is given by :

E=I^2Rt. ....(1)

As,

I=\dfrac{q}{t}\\\\I=\dfrac{1.67}{2}\\\\I=0.835\ A

As per Ohm's law, V = IR

R=\dfrac{V}{I}\\\\R=\dfrac{12}{0.835}\\\\R=14.37\ \Omega

Using formula (1).

E=0.835^2\times 14.37\times 2\\\\=20.03\ J

So, the energy delivered to the lightbulb filament is 20.03 J.

6 0
3 years ago
What is the direction of the magnetic field b⃗ a at point a?
pogonyaev

Answer: Use the Right -hand Rule to find the direction of the magnetic field.

Explanation: A magnetic force only occur, in a magnetic field, when a particle is moving perpendicularly relative to the magnetic field. So, all three quantities are perpendicular among themselves.

The Right-Hand Rule apply for the positive charges moving in conventional current. If the moving charge is negative, the velocity must be reversed.

Right-Hand Rule determines the direction of any or all of the three and it is as follows: With you right hand, point your index finger in the direction of the velocity, your middle finger in the direction of the magnetic field and your thumb will be pointing in the direction of the magnetic force.

Another way of using the rule is when there is a current carrying wire:

The fingers of your right hand will curl into a half circle around the wire, they will point in the direction of the field. The thumb will point in the direction of the conventional current.

5 0
3 years ago
Which are responsible for holding atoms together?
Scrat [10]

Hey there!

Your answer: shared electrons

There would usually be two forces that would make an atom stick together. It would be the positive, and negative of a electric charge. All this coming together would be the electromagnetic force. This is liked we talked about, both positive and negative charges attracted. And that would be the strong force. Which then gives our answer to be electrons.

Your answer: shared electrons

4 0
3 years ago
Read 2 more answers
I need help with this too. (im not good at science or math)
mr_godi [17]

Answer:

i belive 1 m/s

Explanation:

dividing displacement from time it should be 1 cuz 5/5 is 1

please tell me if right!

6 0
3 years ago
Read 2 more answers
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