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Blizzard [7]
2 years ago
14

A current carrying wire is placed in a permanent magnetic field as shown in the diagram below. Determine the direction of the fo

rce that the wire experiences.
Physics
1 answer:
USPshnik [31]2 years ago
7 0

The direction of the magnetic force is to the right.

<h3>What is the magnetic field?</h3>

The magnetic field is the region in space where the influence of the magnet is felt. The magnetic force is always in the direction of the magnetic field.

We can see from the image, that the direction of the magnetic force is to the right.

Learn more about magnetic field:brainly.com/question/14848188

#SPJ1

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The sun emits energy in the form of electromagnetic waves produced by nuclear reactions deep in the sun's interior. Assume that
tatiyna

Answer:

I = W / 4π R_{s}²,   P = W / 2π c R_{s}², Io /I_{earth} = 10⁴  

Explanation:

The intensity is defined as the ratio between the emitted power and the area of ​​the spherical surface

               I = P / A

Since the emitted power is constant and has a value of W for this case, let's look for the area of ​​the sphere on the surface of the sun

             A = 4π R_{s}²

             I = W / 4π R_{s}²

.- The radiation pressure for total absorption is

             P = S / c

Where S is the Pointer vector that is equal to the intensity

Let's replace

             P = W / 2π c R_{s}²

.- We repeat for r = R_{s}/2

              I₂ = W / 4π (R_{s}/ 2)²

              I₂ = 4 W / 4π R_{s}²

              I₂ = 4 Io

              I₀ = W / 4piRs2

    We calculate the radiation pressure

             P₂ = I₂ / c

             P₂ = 4 I₀ / c

             P₂ = 4 (W / 4pi c Rs2)

.- the relationship between these magnitudes is

            I₂ / I₀ = 4

            P₂ / P₀ = 4

Let's calculate the intensity on the surface where the Earth is

            r = 1.50 10¹¹ m

           I_{earth} = W / 4π r²

           Io / I_{earth}   = r² /R_{s}²

          Io /I_{earth}  = (1.5 10¹¹ / 6.96 10⁸) 2

          Io /I_{earth} = 4.6 10⁴

          Io /I_{earth} = 10⁴

4 0
4 years ago
According to special relativity, in which frames of reference does light in a vacuum travel at less than 3.0 108 m/s?
ch4aika [34]
The correct option is D.
According to special relativity, in no frame of reference does light in a vacuum travel at less than the speed of light, the speed of light in a vacuum is the same for any inertial reference frame.This fact remain valid no matter the speed of a light source relative to another observer.
6 0
3 years ago
Read 2 more answers
You’re still in a redecorating mood and want to move a 35kg bookcase to a different place in the living room. You exert 58 N on
CaHeK987 [17]

Answer: 0.16

Explanation:

Newton's second law states that the resultant of the forces exerted on the bookcase is equal to the product between the mass (m) and the acceleration (a):

F-F_f = ma

where

F = 58 N is the force applied

Ff is the frictional force

Substituting, we find the frictional force

F_f = F-ma=58 N-(35 kg)(0.12 m/s^2)=53.8 N

The frictional force has the form:

F_f = \mu mg

where \mu is the coefficient of kinetic friction. Re-arranging the formula, we can find the coefficient:

\mu=\frac{F_f}{mg}=\frac{53.8 N}{(35 kg)(9.8 m/s^2)}=0.16

4 0
4 years ago
A rock tied to the end of a string moves in a circle at a constant speed of 2.5 m/s and experiences an acceleration of 4.0 m/s.
artcher [175]

The radius of the circular motion at the given speed is 1.56 m.

The given parameters;

  • <em>speed of the rock, v = 2.5 m/s</em>
  • <em>acceleration of the rock, a = 4 m/s²</em>

<em />

The radius of the circular motion is calculated by using centripetal acceleration formula as follows;

a_c = \frac{v^2}{r} \\\\r = \frac{v^2}{a_c} \\\\r = \frac{2.5^2}{4} \\\\r = 1.56 \ m

Thus, the radius of the circular motion at the given speed is 1.56 m.

Learn more about centripetal acceleration here: brainly.com/question/79801

8 0
2 years ago
The elements selenium and oxygen are both poor electrical conductors. In which section of the periodic table are they
murzikaleks [220]

Answer:

The answer to your question is Nonmetals

Explanation:

Nonmetals   they are bad conductors of heat and electricity except graphite.

Metalloids   they are less conductors of electricity than metals.

Noble gases  they conduct electricity.

Halogens they are not metals and do not conduct electricity.

From this information, we conclude that Oxygen and Selenium are nonmetals.

6 0
3 years ago
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