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Virty [35]
3 years ago
15

What pressure expressed in pascals equals 70 N/m2?

Physics
2 answers:
12345 [234]3 years ago
4 0
Pascals = N/m2
so it is the same unit
the answer is 70 Pa
kumpel [21]3 years ago
4 0

Answer:

Option (a) is correct.

70 Pa

Explanation:

Pressure is defined as the ratio of thrust acting on the surface per unit area.

If a force of 1 n is acting on a surface of area 1m^2, then we can say the pressure acting on the surface is  1 \frac{N}{m^{2}}[/tex].

The SI unit of pressure is Pa.

1 Pa = 1 \frac{N}{m^{2}}

So, It is 70 Pa.

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Question in pic.. thanks!
11Alexandr11 [23.1K]

That's false. Displacement would be (r2 - r1) .

3 0
3 years ago
Electrolytes are considered ________ when placed in a solution and allow for adequate conduction of ________ charges.
DedPeter [7]

Answer:

Electrolytes are considered ions when placed in a solution and allow for adequate conduction of particle charges.

Explanation:

Electrolytes are substances that, when are dissolved in solution, separates into electrical positive charges (cations) and electrical negative charges (anions) which are known as ions.

These ions have an adequate capacity to conduct particle charges and, therefore electricity.

Sodium, calcium, phosphate and potassium, are examples of electrolytes.  

<u>Hence, the correct answer is:</u>

Electrolytes are considered ions when placed in a solution and allow for adequate conduction of particle charges.

I hope it helps you!

3 0
3 years ago
Based on Newton’s 3rd Law of motion, if an archer shoots an arrow at the target, the action force is the bowstring against the a
maw [93]

Answer:

maybe target, not sure.

6 0
3 years ago
Which of the following are true (choose all that apply)? Sound can travel through a vacuum. -Sound can travel through water. Lig
Lunna [17]

Answer:

option (A) - false

option (B) - true

option (C) - true

option (D) - true

option (E) - true

option (F) - true

Explanation:

The sound waves are mechanical waves that means they need a medium to travel.

The light waves are non mechanical waves it means they do not need a medium to travel.

Sound cannot travel trough vacuum.

Sound can travel through air and water.

Light can travel trough vacuum and in air and in water.

7 0
3 years ago
What is the kinetic energy of a 0.25kg ball rolling at a speed of 2.5m/s
Lisa [10]

Answer:

Explanation:

Kinetic Energy formula:

KE = \frac{1}{2}mv²

m=mass

v=speed

Given:

m=0.25kg

v=2.5m/s

Plug the values in:

KE = 1/2(0.25kg)(2.5m/s)²

KE = 0.78125 J (Joules)

4 0
2 years ago
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