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telo118 [61]
3 years ago
11

What is the minimum total energy released when

Physics
2 answers:
Karo-lina-s [1.5K]3 years ago
7 0

Answer:

(1) 1.64 \times 10^{-13} J

Explanation:

Energy released in this process is given by

Q = \Delta m c^2

here we have

\Delta m = 9.1 \times 10^{-31} kg

since here mass of two electrons converted into energy so we have

Q = 2(9.1 /times 10^{-31})(3\times 10^8)^2

Q = 1.64 \times 10^{-13} J

so here energy released is the energy of rest mass energy due to two charges i.e. electrons and positrons

Ganezh [65]3 years ago
6 0
What is the minimum total energy released when an electron and its antiparticle (positron) <span>annihilate each other?
The </span>minimum total energy released when an electron and its antiparticle (positron) annihilate each other is <span>2.73 × 10^–22 J. The answer is number 4.</span>
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Un satélite geoestacionario se encuentra a una distancia de 120.000 km sobre la superficie de Júpiter. Determine: a. El periodo
Lisa [10]

Answer:

a) a geostationary satellite is that it is always at the same point with respect to the planet,

b) f = 2.7777 10⁻⁵ Hz

c)                           d)   w = 1.745 10⁻⁴ rad / s

Explanation:

a) The definition of a geostationary satellite is that it is always at the same point with respect to the planet, that is, its period of revolutions is the same as the period of the planet

  •                T = 10 h (3600 s / 1h) = 3.6 104 s

b) the period the frequency are related

                T = 1 / f

                 f = 1 / T

                 f = 1 / 3.6 104

                 f = 2.7777 10⁻⁵ Hz

c) the distance traveled by the satellite in 1 day

The distance traveled is equal to the length of the circumference

                 d = 2pi (R + r)

                 d = 2pi (69 911 103 + 120 106)

                 d = 1193.24 m

d) the angular velocity is the angle traveled between the time used.

                 .w = 2pi /t

                  w = 2pi / 3.6 10⁴

                  w = 1.745 10⁻⁴ rad / s

how fast is

                  v = w r

                  v = 1.75 10-4 (69.911 106 + 120 106)

                  v = 190017 m / s

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What resistance would produce a current of 120A from a 6-volt battery?
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Given:A=6x-2y B:-4x-8y C:-3x+9y. Commute A+B-C
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