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Anna11 [10]
3 years ago
11

You want to place a mirror at a blind turn on the staircase in your house. Which would be best suited for this purpose?

Physics
2 answers:
Vlad [161]3 years ago
7 0
Hello there,

I think "<span>convex mirror" would be your answer!</span>
Elan Coil [88]3 years ago
4 0
Your answer is "convex mirror"

Hope this helps!
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VTheStampy is this right and what do I do next?
koban [17]
That is correct.  Based on the listed requirements, that is all you have to do.
3 0
3 years ago
(Select all that apply)
loris [4]

Answer: a. air pollution

c. hazardous wastes

d. potential reactor accident

e. water pollution

A nuclear energy is produced in a thermal power plant. A nuclear energy is produced in a nuclear reactor. In nuclear reactor nuclear fission reactions takes place in which an atoms absorbs energy from radiations and undergo fission and produces energy in the form of high intensity radiations along with heat. Although the fission reactions takes place in a nuclear reactor in a controlled way so that the radiation may not leak out from the reactor. The accidentally leak out radiations or explosion or bursting of the reactor due to uncontrolled thermal energy production can result in air pollution as the leak out air will cause bursting effects which will contaminate the air.

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5 0
3 years ago
Read 2 more answers
A satellite is orbiting Earth with a distance R = 2REarth from Earth's center. If the satellite is moved to a distance R = 4REar
Maslowich

Answer:

Half

Explanation:

Given that:

  • radial distance of satellite from the earth, R=2R_E

Now, if the satellite is moved to a distance R=4R_E

<u>We  have the mathematical expression for the potential energy fue to gravitational field as:</u>

U=\frac{G.M.m}{R} ...................(1)

where:

G = 6.67\times 10^{-11}\ m^3.kg^{-1}.s^{2}

M = mass of earth

m = mass of satellite

R = radial distance of satellite

<u>Now from eq. (1) initially we have:</u>

U=\frac{G.M.m}{2R_E}

<u>after the satellite is moved, we have:</u>

U'=\frac{G.M.m}{4R_E}

\Rightarrow U'=\frac{G.M.m}{2(2R_E)}

\Rightarrow U'=\frac{1}{2} \times U

which is half of the initial condition.

3 0
3 years ago
1 airplane
Nana76 [90]

Answer:

Explanation:

Speed is scalar and velocity is vector. Vector values imply direction as well as magnitude. Therefore, speed and velocity are not the same. The speeds of these 2 planes are the same at 300km/hr, but the velocity of the plane traveling north is +300km/hr while the velocity of the plane traveling south is -300km/hr if we define north as positive and south as negative.

3 0
3 years ago
Which of the following would be the magnitude of the vector given a horizontal component of 30 and a
Scorpion4ik [409]

Answer:

50

Explanation:

Use the Pythagorean theorem to find the length of the diagonal, or the hypotenuse of an imaginary triangle. 30^2 + 40^2 = 2500, which is 50^2. So, the magnitude is 50.

Brainliest, please :)

7 0
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