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Alexxandr [17]
1 year ago
13

PLEASE HELPPP 100 POINTS HURRY !!!!Which diagram best illustrates the magnetic field of a bar magnet? A bar magnet with a north

and south pole. Field line vectors are leaving the north pole and curl around to the south pole. A bar magnet with a north and south pole. Field line vectors are leaving the south pole and curl around to the north pole. A bar magnet with a north and south pole. Field line vectors are leaving the north pole and curl around to the south pole. A bar magnet with a north and south pole. Field line vectors are leaving the south pole and curl around to the north pole.

Physics
2 answers:
Serggg [28]1 year ago
7 0

I think this is right I hope this is right for you

Iteru [2.4K]1 year ago
6 0

Answer:

A bar magnet with a north and south pole. Field line vectors are leaving the north pole and curl around to the south pole.

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An antibaryon composed of two antiup quarks
Sveta_85 [38]

Answer:

(2) −1 e

Explanation:

A quark is the lightest elementary particles which form hadron such as proton and neutron. A quark has fractional charge.

Up, charm and top quarks have +\frac{2}{3} e charge where as down, strange and bottom quarks have -\frac{1}{3}e charge.

The antiparticle of up quark is antiup quark and has charge -\frac{2}{3}e charge.

The antiparticle of down quark is antidown quark and has charge +\frac{1}{3}e charge.

An antibaryon is composed of two anti-up quark and one anti-down quark.

Net charge of the anti-baryon is:

2\times (-\frac{2}{3} e)+1\times (+\frac{1}{3})e=-1e

Thus, antibaryon has -1e charge.

5 0
2 years ago
Little Tammy lines up to tackle Jackson to (unsuccessfully) prove the law of conservation of momentum. Tammy’s mass is 34.0 kg a
Naily [24]

Answer:

So Tammy must move with speed 4.76 m/s in opposite direction of Jackson

Explanation:

As per law of conservation of momentum we know that there is no external force on it

So here we can say that initial momentum of the system must be equal to the final momentum of the system

now we have

m_1v_1 + m_2v_2 = 0

final they both comes to rest so here we can say that final momentum must be zero

now we have

34 v + 54 (3 m/s) = 0

v = -4.76 m/s

8 0
1 year ago
While you are studying for an upcoming physics exam, a lightning storm is brewing outside your window. Suddenly, you see a tree
vovikov84 [41]
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Can pockets of vacuum persist in an ideal gas? Assume that a room is filled with air at 20∘C and that somehow a small spherical
Ilya [14]

Answer:

time taken is 20 μs

Explanation:

given data

temperature = 20°C  = 293 K

radius = 1 cm

atomic mass of air = 29 u

to find out

how long it will take for air to refill

solution

we find here rms velocity of air particle that is

\frac{1}{2}mv^2 = \frac{3}{2}RT

here m is mass and t is temperature and v is speed and R is ideal gas constant i.e. 8.3145 (kg·m²/s²)/K·mol

v = \sqrt{\frac{3RT}{M} }  ............................1

v = \sqrt{\frac{3(8.314)293}{29*10{-3}kg} }

v = 501.99 m/s

so now for cover 1 cm

time taken by air

time take = \frac{r}{v}

time taken = \frac{1*10^{-2}m}{501.99}

time taken = 19.92 × 10^{6} s = 20μs

so time taken is 20 μs

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2 years ago
Rita throws a ball straight up into the air and catches it at the same position from which she threw it. The ball has 18 J of me
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The 1st,3rd,4th, and 5th ones are the correct answers
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