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umka21 [38]
3 years ago
5

Which of the following will not have the same number of valence electrons?

Physics
1 answer:
nexus9112 [7]3 years ago
4 0
Carbon is the answer to the problem
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Help me plz.<br>Show workings​
ddd [48]
Change in momentum: finial momentum - initial momentum
Momentum = mass * velocity
Mass = 100g, same as 0.1kg
m(v-u) = 0.1(10-2) = 0.1(8)
The answer is 0.8Ns
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Practice 1. A car travels 600 m in 30 s. what is its average speed? Why is its actual speed usually different from its average s
Sunny_sXe [5.5K]

Answer:

hi is

Explanation:

Ans. (1) For preparing vaccines, in olden days,microbes were injected in the bodies of horses ormonkeys. These laboratory animals used to makeantibodies to defend these microbes. Antibodies areproteins which can act against the disease-causinggerms. These antibodies were extracted from theblood of these animals and were used as vaccines.(2) Now-a-days with the advent of biotechnology,the vaccines are manufactured in laboratories withthe help of bacteria. For this purpose, a detailedstudy of the disease causing germ is undertaken.The genes and the DNA of such microbes arethoroughly explored. Then based on thisinformation, proteins which can act against suchmicrobes are synthetically prepared in thelaboratories. The safe vaccine is produced in such away which can defend the body against infections.3) Some types of vaccines are prepared from theextracts of germs. These germs or microbes aredeactivated and made dormant. When they areinjected in the body of a person, they initiate thedefending action. The body of such vaccinatedperson, already develops the antibodies in his or herbody. When in future, this person is again attackedby similar germs the defence starts immediately andthe person does not become sick.

7 0
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What did bohr contribute to modern atomic theory
ddd [48]

Bohr’s model showed that electron orbits had distinct radii.

5 0
3 years ago
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When is the zebra moving and when is it not moving
maw [93]
Its breathing that is moving it is digesting and
6 0
3 years ago
If a second resistor with R2 = 19.0 Ω is connected in series with R1, what is the total rate at which electrical energy is dissi
luda_lava [24]

Total rate at which electrical energy is dissipated by the two resistors are V²/R  or I²R.

<u>Explanation:</u>

When the two resistors are combined in series then the total resistance gets added.

If R_{1} and R_{2} are in series then total resistance, R =

Total resistance becomes R_{1} + 19 Ω

The total electrical power dissipated is equivalent to the power dissipated.

We know,

Power = V²/R  or

Power = I²R

where, V is the potential difference between the ends

            I is the current supplied.

Therefore, total speed at which electrical power is consumed by the two resistors are V²/R  or I²R.

7 0
3 years ago
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