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ki77a [65]
3 years ago
15

What are the principles of electrodynamic​

Physics
1 answer:
Sveta_85 [38]3 years ago
3 0

Answer:

the branch of mechanics concerned with the interaction of electric currents with magnetic fields or with other electric currents.

Explanation:

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Two forces are acting on a 2.0 kg object that moves with acceleration 6.0 m/s2 in the positive y-direction. If one of the forces
Strike441 [17]

Answer:

12N

Explanation:

We are given that one of the forces are acting only in the horizontal x-direction. As a force must be applied on an object of mass in order to cause acceleration, the 6.0ms^-2 acceleration is due to the non-horizontal force acting on the 2.0kg object.

Using Newton's Second Law of motion; we know that for a constant mass, force is equal to mass times acceleration, F=ma.

Assuming the other force is acting only in the vertical direction (question doesn't specify, thus we are finding the minimum force to cause this acceleration):

F= 2.0kg * 6.0ms^-2

F=12.0 kgms^-2

F=12 N

3 0
3 years ago
Ek=8J <br>m=100g <br> V=?<br><br>How much is V going to be?<br>Explain step by step, please​
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Answer:

Explanation:

If Ek is the kinetic energy and m is the mass and v is the velocity then v can be calculated as follows

Ek= 1/2 ×( m × v² )

2Ek= mv²

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v =√(2Ek/m)

m = 0.1 kg

v= √(2x8/0.1)= 12.65 m/s

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3 years ago
Which statements describe the energy in a food web? Select three options.
hichkok12 [17]

Answer:

it loses engry  it follows difernt paths

Explanation:

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Um corpo de massa igual a 2kg move-se com velocidade constante num plano horizontal sem atrito, conforme a figura. Em seguida, e
castortr0y [4]
Only answering to ask a question
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a concave mirror has a focal length of 18 cm. where will an image form if an object is placed 58 cm from the mirror
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here

Explanation:

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