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Serhud [2]
3 years ago
7

If one gram of matter could be completely converted into energy, the yield would be

Physics
1 answer:
noname [10]3 years ago
5 0

Answer:

Energy, E=9\times 10^{13}\ J

Explanation:

It is given that,

Mass of matter, m = 1 g = 0.001 Kg

If this matter is completely converted into energy, we need to find the yield. The mass of an object can be converted to energy as :

E=mc^2

c = speed of light

E=0.001\ kg\times (3\times 10^8\ m/s)^2

E=9\times 10^{13}\ J

So, the energy yield will be 9\times 10^{13}\ J. Hence, this is the required solution.

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DISCUSS THE PROCESS OF MAKING SILAGE.
VARVARA [1.3K]

Answer:

Silage can be made by one or more of the following methods: placing cut green vegetation in a silo or pit; piling the vegetation in a large heap and compressing it down so as to purge as much oxygen as possible, then covering it with a plastic sheet; or by wrapping large round bales tightly in plastic film.

Explanation:

7 0
3 years ago
Which statement best explains why elements are matter?
Lisa [10]
Choice D, as if it takes up mass then it is matter
6 0
3 years ago
Need help on physics/momentum ​
koban [17]

Answer:

vf=11.67m/s

Explanation:

vf:

Δp=m(vf-vi)

80=12(vf-5)

80=12vf-60

140=12vf

vf=11.67m/s

pf:

p=m*v

p=12*11.67

p=140.04 N*s

Hope this helps

5 0
3 years ago
The biological roles of complex organic molecules are determined by their shape -- the way atoms and electrons create charge dis
Hatshy [7]

Answer:

a) P_α =  exp (-ΔE / kT),  b)   P_β = 0.145 , d)  ΔE = 309.7 meV

Explanation:

The expression for the number of molecules or particles in a given state in Boltzmann's expression

            n = n₀ exp (-ΔE / kT)

Where k is the Bolztmann constant and T the absolute temperature

The probability is defined as the number of molecules in a given state over the total number of particles

          P = n / n₀ = exp (- ΔE / kT)

Let's apply this expression to our case

a) P_α = n_α / n₀ = exp (-ΔE / kT)

b) the Boltzmann constant

       k = 1,381 10⁻²³ J / K (1 eV / 1.6 10⁻¹⁹ J) = 8.63 10⁻⁵ eV / K

       kT = 8.63 105 300 = 2,589 10⁻² eV

       P_β = exp (- 50 10⁻³ /2.589 10⁻² = exp (-1.931)

       P_β = 0.145

c) If the temperature approaches absolute zero, the so-called is very high, so there is no energy to reach the excited state, therefore or all the molecules go to the alpha state

d) For molecules to spend ¼ of the time in this beta there must be ¼ of molecules in this state since the decay is constant.

        P_β = ¼ = 0.25

     

       P_β = exp (- ΔE / kT)

       ΔE = -kT ln P_β

       ΔE = - 2,589 10⁻² ln 0.25

       ΔE = 0.3097 eV

       ΔE = 309.7 meV

3 0
3 years ago
Two negative charges that are both - 3.8 C push each other apart with a force of 19.0 N. How far apart are the two charges?
77julia77 [94]

Answer:

The separation distance between the two charges must be 82704.2925 m

Explanation:

Given:

Two negative charges that are both q = -3.8 C

Force of 19 N

Question: How far apart are the two charges, s = ?

First, you need to get the electrostatic force of this two negative charges:

F=\frac{kq}{s^{2} } \\s=\sqrt{\frac{kq}{F} }

Here

k = electric constant of the medium = 9x10⁹N m²/C²

Substituting values:

s=\sqrt{\frac{9x10^{9}*(-3.8)^{2}  }{19} } =82704.2925m

7 0
3 years ago
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