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Alenkasestr [34]
3 years ago
6

What do you expect the enclosed current is for a bar magnet?

Physics
1 answer:
BartSMP [9]3 years ago
6 0
The point P lies at a linear distance 1 m from the corner. Magnetic field due to current in wire Magnetic field due to current in wire. Applying Right hand thumb rule, the magnetic field at P is perpendicular to xy plane and into the plane of drawing (i.e. negative z-direction).
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Three common elements that can reorient their electrons into magnetic domains and become magnetic are iron, nickel, and ________
ohaa [14]

Answer:

Cobalt

Explanation:

8 0
3 years ago
assume the suns total energy output is 4.0 * 10^26 watts, and 1 watt is 1 joule/second. assume 4.3 * 10^-12 J is released from e
Dmitry [639]

Answer:

9.3\cdot 10^{37}

Explanation:

Power is defined as the energy produced (E) per unit of time (t):

P= \frac{E}{t}

This means that the energy produced in the Sun each second (1 s), given the power P=4.0\cdot 10^{26}W, is

E=Pt=(4.0\cdot 10^{26}W)(1s )=4.0\cdot 10^{26} J

Each p-p chain reaction produces an amount of energy of

E_1 = 4.3\cdot 10^{-12} J

in order to get the total number of p-p chain reactions per second, we need to divide the total energy produced per second by the energy produced by each reaction:

n=\frac{E}{E_1}=\frac{4.0\cdot 10^{26} J}{4.3\cdot 10^{-12} J}=9.3\cdot 10^{37}

3 0
3 years ago
g A beam of light incident on a smooth flat mirror at an angle of 25o relative to the surface normal of the mirror. What is the
WINSTONCH [101]

To solve this problem we will resort to the concept of angle of incidence and refraction.

Since it is a reflection on a mirror, the angle provided for refraction will be equal to that of the incidence, that is, 25 °

The angle of reflation is always perpendicular to the surface so it is necessary to find the angle with respect to it.

\theta = 90-25

\theta = 65\°

Therefore the angle of the reflected beam of light made with the surface normal is 65°

5 0
3 years ago
What is the distance time how can we find the speed of an object from its distance time graph​
CaHeK987 [17]

Answer:

speed is the gradient of the graph

7 0
3 years ago
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When a system does work, what happens to its internal energy
tester [92]
The first law, which deals with changes in the internal energy, thus becomes 0 = Q - W, so Q = W.

If the system does work, the energy comes from heat flowing into the system from the reservoir; if work is done on the system, heat flows out of the system to the reservoir
8 0
3 years ago
Read 2 more answers
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