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sp2606 [1]
4 years ago
13

On a globe or world map, find the nearest marked latitude line to your location. Is this an example of a great circle? Explain.

Physics
1 answer:
loris [4]4 years ago
3 0

Answer:

No.

Explanation:

A great circle is the circle that passes through the center point of the sphere. This means that it is the largest circle to be drawn in a sphere. So, the great circle of Earth would be the equation.

The nearest marked latitude to my location is the tropic of cancer. Any latitude that is not the equator is not the great circle of Earth. So, it is not an example of the great circle of Earth.

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The current through a certain heater wire is found to be fairly independent of its temperature. If the current through the heate
bearhunter [10]

Answer:

(c) increase by a factor of four

Explanation:

the formular for the relationship between  energy and current is E= I²Rt (Heat energy)

the heater is fairly independent of its temperature , and given the time to be constant.

with the current being doubled,

E = I² Rt

E/ I² = K

\frac{E1}{I1^{2} } =\frac{E2}{I2^{2} }

E2 = \frac{E1* I1^{2} }{I1^{2} }

I2 = 2* I1

E2 =  E1 * 4*I1² / I1²

dividing , we have that  E2 = 4 * E1

which means during the same time interval the amount of energy will increase by a factor of four.

7 0
4 years ago
If you push a crate across a factory floor at constant speed in a constant direction, what is the magnitude of the force of fric
poizon [28]

Answer:

The magnitude of the force of friction equals the magnitude of my push

Explanation:

Since the crate moves at a constant speed, there is no net acceleration and thus, my push is balanced by the frictional force on the crate. So, the magnitude of the force of friction equals the magnitude of my push.

Let F = push and f = frictional force and f' = net force

F - f = f' since the crate moves at constant speed, acceleration is zero and thus f' = ma = m (0) = 0

So, F - f = 0

Thus, F = f

So, the magnitude of the force of friction equals the magnitude of my push.

3 0
3 years ago
Why are the eggs and confectioner’s sugar amounts easy to work with to make 8 brownies?
Orlov [11]

Answer:

Because they are both easy to measure (?)

Explanation:

(I'm not really sure, there are no choices. If there were different options I might be able to better answer this)

6 0
3 years ago
The sun is about 150 million km away from earth. The rays of sunlight that reach earth’s atmosphere are best represented as ____
tangare [24]

Five

The diagram that represents rays from the sun is given below.

The answer from the diagram is parallel lines.

Six

The formula for this is n_i * Sin(i) = n_r * sin(r)

n1 = 1.333 water

n2 = 1.309 ice

i (angle) = 40o

r (angle) = ?

Solution

1.333 * sin(40) = 1.309*sin(r)

1.333 * sin(40)/1.309 = sin(r)

0.6546 = sin(r)

sin-1(0.6546)  = 40.88 degrees.

I guess my closest answer would be A. I'm not rounding at all and that's the answer I get.

6 0
3 years ago
What are the four layers of oceanic crust from top to bottom?
Thepotemich [5.8K]
Oceanic, Crust, Geolific, techtonic
7 0
3 years ago
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