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Inga [223]
3 years ago
15

What is not an example of a mineral?a.gold b.mica c.steel d.quartz

Physics
2 answers:
vodka [1.7K]3 years ago
7 0

Answer:

C  steel

Explanation:

Leviafan [203]3 years ago
6 0

Answer:

C : Steel

Explanation:

Steel is manufactured and not made by the Earth itself

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Two uncharged metal spheres, spaced 25.0 cm apart, have a capacitance of 26.0 pF. How much work would it take to move 12.0 nC of
viktelen [127]

Answer:

W=2.76\times 10^{-6}\ J

Explanation:

Given that,

The distance between two spheres, r = 25 cm = 0.25 m

The capacitance, C = 26 pF = 26×10⁻¹² F

Charge, Q = 12 nC = 12 × 10⁻⁹ C

We need to find the work done in moving the charge. We know that, work done is given by :

U=\dfrac{Q^2}{2C}

Put all the values,

U=\dfrac{(12\times 10^{-9})^2}{2\times 26\times 10^{-12}}\\\\U=2.76\times 10^{-6}\ J

So, the work done is 2.76\times 10^{-6}\ J.

8 0
3 years ago
When the medium is uniform, how do light waves pass through it?
LekaFEV [45]

The correct answer is, A) Straight line motion

I took the quiz

8 0
3 years ago
A lamp has a power of 120 W and is left on for 24 hours . A television has a power of 350 W and is left on for three hours . com
Paladinen [302]
This is a power problem which requires the rearranging of a formula. The lamps energy used is 5 N, and the TV’s usage is 116.7 N (rounded from 116.6666repeating). Here my work:
7 0
2 years ago
Read 2 more answers
A bicyclist steadily speeds up from rest to 11.0m/s during a 5.50s time interval. Determine all unknowns and answer the followin
Marina86 [1]

Explanation:

acceleration is 2 m/s^2

v-u/t

distance travelled is 30.25 meter

(v^2-u^2)/2a

11*11/2*2

121/4

30.25 m

5 0
3 years ago
A 6.0-μF air-filled capacitor is connected across a 100-V potential source (a battery). After the battery fully charges the capa
Dovator [93]

Answer:

Change in Q = 2.1x 10^-3 C

Explanation:

We are given that

The Initialcapacitance C1 = 6.0μF

Initial charge oncapacitor

Q1 = C1 V

= 6.00 x 10^-6 x 100

= 6.00 x 10^-4 C

So the Final capacitance C2 will be

= K x C1 = 4.5 x 6.00 x 10^-6

= 2.7 x 10^ -5 F

So to get Finalcharge

We use Q2 = C2 x V

= 2.7 x 10^ - 5 x 100

= 27 x 10^ -4 C

So Charge flown in thecapacitor is change in Q

Which is = Q2 - Q1

= 27 x 10^-4 - 6.0 x 10^ -4

Change in Q = 2.1x 10^-3 C

5 0
3 years ago
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