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Katarina [22]
3 years ago
7

How can a charged object cause charges to move within an uncharged object?

Physics
1 answer:
Paraphin [41]3 years ago
3 0
Thank you for posting your question here at brainly. Feel free to ask more questions.  
<span>The best and most correct answer among the choices provided by the question is<span> A. If the uncharged object is a conductor, the charged object can attract opposite charges. </span></span>     <span><span>

</span><span>Hope my answer would be a great help for you. </span> </span> <span> </span>
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EXAMPLE
yKpoI14uk [10]

Answer:

Explanation:

a ) The volume of blood flowing per second throughout the vessel is constant .

a₁ v₁ = a₂ v₂

a₁ and a₂ are cross sectional area at two places of vessel and v₁ and v₂ are velocity of blood at these places .

2A x v₁ = A x .40

v₁ = .20 m /s

b )

Let normal pressure be P₁ when cross sectional area is 2A and at cross sectional area A , pressure is P₂

Applying Bernoulli's theorem

P₁ + 1/2 ρv₁² = P₂ + 1/2 ρv₂²

P₁ - P₂ = 1/2  ρ(v₂² - v₁² )

= .5 x 1060 ( .4² - .2² )

= 63.6 Pa .

5 0
3 years ago
A force of 100 N acts upward. Resolve this force into 2 components; one that acts 30º north of west and one that acts 60º north
GrogVix [38]

To resolve these forces we have to make use of the sines and cosines.

To resolve this force in 30 degree north of west, the answer will be

100*sin(30)

The answer will be 50N

Now to resolve the force acting 60 degree north of east

100* cos(60)

The answer will be 50N.

This also adds to the total force acting that is 50+50=100N. This is the way forces are resolved according to their specified angles.

5 0
3 years ago
A barometer reads 780 mm Hg. Mercury has a density of 1.36 x 10^4 kg /m^3.
iris [78.8K]

The pressure of the atmosphere, when a barometer reads 780 mm Hg.    Mercury which a density of 1.36 x 10^4 kg /m^3 is B 1.1 x 10^5 N/m^2

This problem can be solved using the formula below

P = dgh................. Equation 1

Where P = Pressure of the atmosphere, d = density of the mercury, h = height of the mercury, g = acceleration due to gravity.

From the question,

Given: d = 1.36×10⁴ kg/m³, h = 780 mm = 0.78 m,

Constant: g = 10 m/s²

Substitute these values into equation 1

P = (1.36×10⁴)(10)(0.78)

P = 10.608×10⁴ N/m²

P ≈ 1.1×10⁵ N/m²

Hence the right answer is B. 1.1×10⁵ N/m²

Learn more about Pressure here: brainly.com/question/23603188

7 0
3 years ago
Read 2 more answers
A cart is loaded with a brick and pulled at a constant speed along an inclined plane the the height of a seattop. If the mass of
labwork [276]
Gravitational potential energy = mass (kg) x gravitational field strength (N/kg) x height (m)

Therefore, 

3 x 0.45 x 10 = 13.5J <- it's joules because it's energy
3 0
3 years ago
Think of a body which is at rest but not in equilibrium
REY [17]

Answer:

I think the sun is the right answer

8 0
3 years ago
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