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Mila [183]
3 years ago
10

How can this system be brought to equilibrium?

Physics
1 answer:
dezoksy [38]3 years ago
5 0
Hello! The answer is B and B.

When a system is in equilibrium, this means that the net force/total force = 0N. Hence you need to add 10N to the 10N force acting towards the right so that the 20N acting in opposite directions will ‘cancel’ out to get a net force of 0N.

Average velocity is calculated by distance travelled divided by time. Hence, velocity = 50m/5s = 10ms^1
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3 years ago
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A solenoid with 3,000.0 turns is 70.0 cm long. If its self-inductance is 25.0 mH, what is its radius? (The value of μ0 is 4π x 1
nevsk [136]

Answer:

A. 2.2*10^-2m

Explanation:

Using

Area = length x L/ uo xN²

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A = 17.5*10^-3/ 1.13*10^-5

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Explanation:

5 0
3 years ago
If both mass and speed are doubled, what happens to its momentum?
puteri [66]

The general formula is:      Momentum = (mass) x (speed)

I never like to just write a bunch of algebra without explaining it.
But in this particular case, there's really not much to say, and
I think the algebra will pretty well explain itself.  I hope so:


Original momentum = (original mass) x (original speed)


New momentum = (2 x original mass) x (2 x original speed)

                           = (2) x (original mass) x (2) x (original speed)

                           = (2) x (2) x (original mass) x (original speed)

                           =  (4) x (original mass) x (original speed)

                           =  (4) x (original momentum).

7 0
3 years ago
Which graph uses bars to show data that are broken into intervals?
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Answer:

A. scatter plot?

Explanation:

I dont really know if I'm right... sorry.

5 0
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What is work done aganist gravity?​
Rudik [331]

Answer:

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Explanation:

You're Welcome.

8 0
3 years ago
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