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valentina_108 [34]
3 years ago
8

I will fan and give 2 medals!!!!!!

Physics
1 answer:
Maksim231197 [3]3 years ago
7 0
<span> Corona </span>

<span>I.                  </span>Rare gaseous envelope

<span>II.              </span>Irregular pearly glow

<span>III.          </span>Total solar eclipse

<span>IV.             </span>Surrounds darkened moon

<span>V.                 </span>Caused by diffraction

<span> Solar Prominence </span>

<span>I.                  </span>loop shape

<span>II.              </span>large bright gaseous

<span>III.          </span>luminous hydrogen gas

<span>IV.             </span>rises above chromospheres

<span>V.                 </span>anchored to surface (sun’s surface)

<span> Solar Flare </span>

<span>I.                  </span>Intense High-energy

<span>II.              </span>Causes electromagnetic disruptions

<span>III.          </span>In solar atmosphere

<span>IV.             </span>Varies in brightness

<span>V.                 </span>Emits radiation 

<span> Sunspots </span>

<span>I.                  </span>Surface dark spots

<span>II.              </span>Strong magnetic fields

<span>III.          </span>Solar magnetic storms

<span>IV.             </span> Visible through telescope 

<span>V.                 </span>Cooler than photospheres

I did this in class I got 100%

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|| Suppose a plane accelerates from rest for 30 s, achieving a takeoff speed of 80 m/s after traveling a distance of 1200 m down
rjkz [21]

Answer:

600 m is required for smaller plane to reach its takeoff speed.

Explanation:

We have equation of motion  

          80 = 0 + a x 30

          a = 2.67 m/s²

Now finding distance traveled by second flight

       v² = u²+2as

      40² = 0²+2 x 2.67 x s

       s = 300 m

So 300 m is required for smaller plane to reach its takeoff speed.

7 0
4 years ago
The charges of two particles are as follows: Q1=2 x 10 -8 C and Q2 = 3 x 10 -7 C. Find the magnitude of the force between these
Fantom [35]

Answer:

F = 3.86 x 10⁻⁶ N

Explanation:

First, we will find the distance between the two particles:

r = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2+(z_{2}-z_{1})^2}\\

where,

r = distance between the particles = ?

(x₁, y₁, z₁) = (2, 5, 1)

(x₂, y₂, z₂) = (3, 2, 3)

Therefore,

r = \sqrt{(3-2)^2+(2-5)^2+(3-1)^2}\\r = 3.741\ m\\

Now, we will calculate the magnitude of the force between the charges by using Coulomb's Law:

F = \frac{kq_{1}q_{2}}{r^2}\\

where,

F = magnitude of force = ?

k = Coulomb's Constant = 9 x 10⁹ Nm²/C²

q₁ = magnitude of first charge = 2 x 10⁻⁸ C

q₂ = magnitude of second charge = 3 x 10⁻⁷ C

r = distance between the charges = 3.741 m

Therefore,

F = \frac{(9\ x\ 10^9\ Nm^2/C^2)(2\ x\ 10^{-8}\ C)(3\ x\ 10^{-7}\ C)}{(3.741\ m)^2}\\

<u>F = 3.86 x 10⁻⁶ N</u>

5 0
3 years ago
A double-paned window has two glass panes separated by a layer of air. Why
EleoNora [17]

Answer:

for insulation

5 0
3 years ago
Read 2 more answers
A ski resort consists of a few chairlifts and several interconnected downhill runs on the side of a mountain, with a lodge at th
Aleks04 [339]
  1. A sketch of the junction between one chairlift and two runs is shown in the image attached below.
  2. For this ski resort, it ultimately implies that the total number of lifts that are used in any closed loop would be equal to zero in accordance with Kirchhoff's loop rule.

<h3>What is Kirchhoff's loop rule?</h3>

Kirchhoff's loop rule is also referred to as Kirchhoff's second law or Kirchhoff's voltage law, and it states that the algebraic sum of all the electric potential differences around any closed loop is equal to zero.

<h3>How to connect two runs in series?</h3>

Since the chairlifts are analogous to batteries, and the runs are analogous to resistors, the two runs would represent resistors that are connected in series with the lift, which represents the battery. Similarly, these three runs can also be connected in parallel by altering the positions of the runs with the battery.

For this ski resort, it ultimately implies that the total number of lifts that are used in any closed loop would be equal to zero in accordance with Kirchhoff's loop rule.

Read more on Kirchhoff's loop rule here: brainly.com/question/15003023

#SPJ4

7 0
2 years ago
Young's Modulus of elasticity is a) Shear stress/Shear strain b) Tensile stress/Shear strain 9. c) Shear stress /Tensile strairn
slava [35]

Answer:

Option C is the correct answer.

Explanation:

Young's modulus is the ratio of tensile stress and tensile strain.

Bulk modulus is the ratio of pressure and volume strain.

Rigidity modulus is the ratio of shear stress and shear strain.

Here we are asked about Young's modulus which is the ratio of tensile stress and tensile strain.

Option C is the correct answer.

3 0
3 years ago
Read 2 more answers
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