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elixir [45]
3 years ago
8

What is the difference in quark model of a meson and a baryon? ​

Physics
1 answer:
dangina [55]3 years ago
3 0
Mesons are made of a valence quark−antiquark pair (thus have a baryon number of 0), while baryons are made of three quarks (thus have a baryon number of 1).
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It is C. 16 km north. 
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The club was in contact with a ball, initially at rest, for about 0.0045 s. If the ball has a mass of 55 g and leaves the head o
luda_lava [24]

Answer:

0.38 kN

Explanation:

From newton's second law of motion,

F = m(v-u)/t........................ Equation 1

Where F = Average force exerted on the ball, m = mass of the ball, v = final velocity of the ball, u = initial velocity of the ball, t = time of contact.

Given: m = 55 g = 55/1000 = 0.055 kg, v = 102 ft/s = (102×0.3048) m/s = 31.0896 m/s, u = 0 m/s (initially at rest), t = 0.0045 s

Substitute into equation 1

F = 0.055(31.0896-0)/0.0045

F = 1.709928/0.0045

F = 379.984 N

F ≈ 0.38 kN

8 0
4 years ago
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Godzilla was running wild in Brigham City but was finally captured. The Police
SVETLANKA909090 [29]

Answer: 4.66 glml

Explanation:

5 0
3 years ago
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If the Earth's ozone (O3) layer has a total volume of 1.00 × 1020 km3, a partial pressure of 1.6 × 10-9 atm, and an average temp
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To solve this problem we will apply the ideal gas equations for which the product of pressure and volume is defined, as the equivalent between the ideal gas constant by the amount of matter and the temperature, mathematically this equation is described as

PV = nRT

Here,

P = Pressure

V = Volume

R = Ideal gas Constant

T = Temperature

n = Number of molecules

The pressure is in atmospheres, and considering the units of the other values we have finally that,

R = 0.08206 \cdot atm\cdot  L\cdot  mol^{-1}\cdot  K^{-1}

V = 1*10^{20}km^3 (\frac{1*10^{12}L}{1km^3 })

V = 1*10^{32}L

P = 1.6*10^{-9}atm

T = 230K

Replacing,

(1.6*10^{-9})(1*10^{32}) = n(0.08206)(230)

n = \frac{(1.6*10^{-9})(1*10^{32})}{(0.08206)(230)}

n = 8.47736*10^{-21}

Multiplying the number of moles by Avogadro's number we have,

M =(8.47736*10^{-21})(6.022*10^{23})

M = 5.1*10^{45}

Therefore the number of ozone molecules in the Earth's ozone layer are 5.1*10^{45}

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4 years ago
Which is a benefit of strength training? O Decreased blood flow to muscles O Improved oxygen delivery Flexibility of tendons and
Igoryamba

Answer:

Increased lean muscle tissue.

Explanation:

I hope this helps :) Tell me if I am wrong!

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