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vitfil [10]
2 years ago
12

Nếu tăng khoảng cách giữa hai điểm lên 4 lần thì lực tương tác tĩnh điện giữa chúng sẽ

Physics
1 answer:
ohaa [14]2 years ago
8 0

Answer:

điện giữa chúng s

Explanation:

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How do you find the capacitance in this?
Lostsunrise [7]

Answer:

Explanation:

parallel capacitances add directly

Series capacitances add by reciprocal of sum of reciprocals.

Ceq = [ C ] + [1 / (1/C + 1/C)] + [1 / (1/C + 1/C + 1/C)]

Ceq = [ C ] + [C / 2] + [C / 3]

Ceq = [ 6C/6 ] + [3C / 6] + [2C / 6]

Ceq = 11C/6

3 0
2 years ago
Why is argon gas used instead of air in light bulbs that contain a filament that is heated to glowing?
tamaranim1 [39]
<span>the heated filament will react with the oxygen in the air but now with the argon, which is a noble gas and hardly ever reacts.</span>
3 0
3 years ago
Different color ca
777dan777 [17]

Answer: The color of candy cane

Explanation:

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4 0
3 years ago
To a stationary, a bus moves south with a speed of 15 m/s. a man inside walks toward the front of the bus with a speed of 0.2 m/
marta [7]
It is 15.2 m/s South.
8 0
3 years ago
Read 2 more answers
David wants to experiment with the device, so he connects an ammeter into the circuit and measures 11.5 AA when the device is co
Mandarinka [93]

Answer:

2.42hours

Explanation:

To calculate the time taken to boil the cup of water, we will use the formula

Q = It where

Q is the total energy required to boil the water = 100KJ = 100,000Joules

I is the current = 11.5A

t is the time taken to boil the water

t = Q/I

t = 100,000/11.5

t = 8695.65seconds

t = 2.42hours

4 0
3 years ago
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