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Lunna [17]
3 years ago
9

What is DC in electricity mean?

Physics
1 answer:
Stels [109]3 years ago
8 0

Answer:

Direct Current

Explanation:

The electricity only flows in one direction.

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If the frequency of a FM wave is 8.85 × 107 hertz, what is the period of the FM wave?
patriot [66]

Answer:

1.1299 x 10^-8   second    

Explanation:

Period = 1 / f = 1 / (8.85 * 10^7) = 1.1299 x 01^-8  sec

8 0
2 years ago
In your own words tell me about the live cycle of a star (4-5 sentences)
balu736 [363]

Answer: Stars are formed in clouds of gas and dust, known as nebulae. Nuclear reactions at the centre (or core) of stars provides enough energy to make them shine brightly for many years. The exact lifetime of a star depends very much on its size.

Explanation: I try to do your question, hope this help

4 0
3 years ago
To initiate a nuclear reaction, an experimental nuclear physicist wants to shoot a proton into a 5.50-fm-diameter 12C nucleus. T
vladimir1956 [14]

Answer:

Explanation:

kinetic energy required = 1.80 MeV

= 1.8 x 10⁶ x 1.6 x 10⁻¹⁹ J

= 2.88 x 10⁻¹³ J

If v be the velocity of proton

1/2 x mass of proton x v² = 2.88 x 10⁻¹³

= .5 x 1.67 x 10⁻²⁷ x v² = 2.88 x 10⁻¹³

v² = 3.45 x 10¹⁴

v = 1.86 x 10⁷ m /s

If V be the potential difference required

V x e = kinetic energy . where e is charge on proton .

V x 1.6 x 10⁻¹⁹ = 2.88 x 10⁻¹³

V = 1.8 x 10⁶ volt .

3 0
2 years ago
A box has sides of 10 cm, 8.2 cm, and 3.5 cm. What is its volume?
Ksju [112]
The volume would be 287cm³. Multiply all the 3 numbers by each other
4 0
3 years ago
Does a solid sit by itself
Gekata [30.6K]

Answer: yes i think

Explanation:

3 0
2 years ago
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