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Rom4ik [11]
2 years ago
11

Venus has a higher average surface temperature than mercury. why?

Physics
1 answer:
Andreas93 [3]2 years ago
8 0
Guy above got it, I agree
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A metal wire is bent into a square and carries auniform current throughout it. The net magneticfield at the center of this squar
belka [17]

Answer:

The statement that the net magnetic field at the center of this square is zero is false.

The net magnetic field inside a conductor must be zero - This is a true statement

Explanation:

The net magnetic field at the center of this square is not equal to  zero.

The net magnetic field at the center of this square is given by the equation below:

B = 2√2μ₀I/πₐ

Where a = the side of the loop, and I is the current.

Thus, the statement that the net magnetic field at the center of this square is zero is false.

The net magnetic field inside a conductor must be zero - This is a true statement because the total charge on the conductor must be equal to zero.

3 0
3 years ago
Plrase help a little stuck here
kkurt [141]
(I'm lucky to have a computer ... It was only through the miracle of
modern digital technology that I was able to flip your photo right-
side-up to where I could read it.)

Here's how to figure out things like this:

The circle on the left side labeled ' <em>G</em> ' is the <em><u>G</u></em>enerator or battery
that powers this whole circuit and all the devices in it.  In order for
any device to work, you need to be able to set your pencil down at
the top of the Generator, and find a path through the circuit and
through that device, where current can flow all the way around to
the bottom of the Generator.  If you ever come to an open switch,
then current stops there, and you have to find another way through. 
If the path you found takes you back to the bottom of the generator but
it doesn't go through one of the devices, then that device doesn't work.

Look at the picture.  If you open switch  S-4, then Device-4 can't work,
because current can't go through it from one end of the Generator to
the other end.  But all of the other devices still work.

I can see  2  ways to turn off Device-3 with a single switch ... either
open switch S-5, or else open switch S-1.  Unfortunately, I think
either way will shut off all 5 devices.
7 0
3 years ago
I NEED HELP QUICK ⚠15 POINTS⚠
slamgirl [31]
D neutrons and protons
6 0
3 years ago
Read 2 more answers
Which system is responsible for the transportation of oxygen throughout the system
Oduvanchick [21]
Your Lungs is Responsible for oxygen throughout the system.
3 0
3 years ago
Read 2 more answers
A plane takes off at an angle of 30 degrees at a speed of 150 km/h. Determine the horizontal
frutty [35]

Answer:

Horizontal Component = 129.9 km/h

Vertical Component = 75 km/h

Explanation:

When a vector is resolved on the x-axis and the y-axis, the components so formed are called its rectangular components. The component along y-axis is called the vertical component and the component along x-axis is called horizontal component. These components can be given by following formulae:

Horizontal Component = v Cos θ

Vertical Component = v Sin θ

where,

v = velocity = 150 km/h

θ =  angle = 30°

Therefore,

Horizontal Component = (150 km/h)(Cos 30°)

<u>Horizontal Component = 129.9 km/h</u>

Vertical Component = (150 km/h)(Sin 30°)

<u>Vertical Component = 75 km/h</u>

4 0
3 years ago
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