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Tanya [424]
3 years ago
6

Magnesium chloride forms crystals. Which option is a description of this

Physics
2 answers:
shtirl [24]3 years ago
4 0
The answer is B. This form of magnesium chloride is not a liquid but a solid that is white and colorless.
telo118 [61]3 years ago
3 0

Answer:

B) A solid made up of a highly organized set of particles

Explanation:

A.P.E.X

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A flat surface of area 3.20 m2 is rotated in a uniform electric field of magnitude e = 6.20 x 105 n/c. determine the electric fl
krok68 [10]
The electric flux on a surface of area A in a uniform electric field E is given by 
φ = EA cos θ
where θ = the angle between the directions of E and a normal vector to the surface of the area.
See the diagram shown below.

When the electric field is perpendicular to the surface, then θ = 0°, and
φ = EA cos(0°)  = (6.20 x 10⁵ N/C)*(3.2 m²) = 1.984 x 10⁶ (N-m²)/C

When the electric field is parallel to the area, then θ = 90°, and
φ = EA cos(90°) = 0

Answer:
(a) 1.984 x 10⁶ (N-m²)/C
(b) 0

3 0
3 years ago
Which of the following has greater number of hydrogen molecule ? 9 gm of CH4 or 10gm of NH3​
sasho [114]

Explanation:

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5 0
2 years ago
What are the two measurements necessary for calculating average speed?
IgorC [24]
Because the average of one measurement would yield to itself, which provides nothing new to us. We need at least two for average to be purposeful.
7 0
3 years ago
Read 2 more answers
In the diagram below, a 5 kg box is pushed from rest by an applied force of 15N for 22 seconds. What was the impulse caused by t
Yakvenalex [24]

Answer:

330Ns

Explanation:

Given parameters:

Mass of the box  = 5kg

Initial velocity  = 0m/s

Force applied  = 15N

Time  = 22s

Unknown:

Impulse  = ?

Final momentum  = ?

Solution:

The impulse of the box can be determined using the expression below:

     Impulse  = Force x time

    Impulse  = 15 x 22 = 330Ns

The final momentum is the same as this impulse

The impulse and the final momentum is 330Ns

4 0
3 years ago
Which of the following statements about iron filings placed upon glass resting on top of a bar magnet is false?
marin [14]

Statements  A,  B,  and  C  are true.

Statement <em> D  is false</em>.

7 0
3 years ago
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