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Ipatiy [6.2K]
3 years ago
9

A total solar eclipse is visible from

Physics
2 answers:
zzz [600]3 years ago
7 0
Only within the umbra of the moon's shadow.
guajiro [1.7K]3 years ago
3 0

Answer:

b. only within the moon’s umbra.

Explanation:

Solar eclipse occurs when Moon comes between the Sun and the Earth in straight line and blocks the sunlight. A shadow of moon castes on the surface of the Earth. The region passing through the moon's umbra would view a total solar eclipse. The moon completely hides the surface of the sun. It would be visible to the people residing in the bright side of the Earth within the Umbra of the moon.

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What is the magnitude of the electric field in a region where the potential is given by the expression V = ax2 + b where a = −50
sweet [91]

Answer:

E = 1000 x

Explanation:

The electric potential and the electric field are related by the formula

        dV = - E . dx

Bold represents vectors.

The point represents the scalar product, in this case we calculate the electric field in the x-axis and the potential is also in this axis so the scalar product is reduced to the algebraic product

        E = dV /dx

Let's make the derivative

        E = - 2ax

Let's replace the values

        E = -2 (-500) x

        E = 1000 x

5 0
3 years ago
Read 2 more answers
a father and his son want to play on a seesaw. where on the seesaw should each of them sit to balance the torque
joja [24]
On the opposite sides, the father would out weigh the sons weight, simply because he is bigger than the son

The definite answer is “the opposites side of the seesaw”

Hope this helps you ☁︎☀︎☁︎
3 0
3 years ago
Using a scale of 1 cm to represent 10 N , find the size and direction of the resultant of forces of 30 N and 40 N acting at righ
ladessa [460]

Answer:

Hence, option (A) is correct answer.

Explanation:

6 0
4 years ago
The energy flow to the earth from sunlight is about 1.40 kw/m2 . part a find the maximum value of the electric field for a sinus
Lilit [14]
Energy ,E= Sqrt{Energy intensity*Speed of light*Magnetic constant}

Where,
Energy intensity = 1.40 kW/m^2 = 1400 W/m^2
Speed of light = 3*10^8 m/s
Magnetic constant = 4pi*10^-7 H

Therefore,
E= Sqrt{1400*3*10^8*4*pi*10^-7} = 726.49 v/m

Now,
Emax = E*sqrt (2) = 726.49*Sqrt(2) = 1027.41 v/m
6 0
4 years ago
What affects our utility​
agasfer [191]

Answer:

Energy Bill fluctuations are inevitable and depend on a variety of different factors. Two of the most important are the current weather your home is experiencing and the current price per Kilowatt Hour (which fluctuates more than you might think).

7 0
3 years ago
Read 2 more answers
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