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Len [333]
4 years ago
5

Given two plates of a capacitor connected to a voltage source, which side of each plate would be charged and what would be the p

olarity?
Physics
2 answers:
Svetach [21]4 years ago
8 0

Answer:

opposite to each other

Explanation:

When a capacitor is connected to a voltage source, then the capacitor store the charge. The plate connected to the positive terminal of the battery is positively charged and the plate connected to the negative terminal of the battery becomes negatively charged. Thus, the polarity of the plates of a capacitor is opposite to each other.

Korolek [52]4 years ago
5 0

Answer:

Explanation:

When a capacitor is connected to a DC source of voltage V with capacitance C then the capacitor will experience in accumulation of charge on capacitor plates.

As the circuit is switched on, current started flowing and charge on the capacitor increases as time passes. To obey the Kirchoff's circuit law charges on both the plates is same but of opposite charge.

Charge is given by Q=C\times V    

The plate which is attached to the positive terminal of battery will be positively charged while other plate is negatively charged.

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A woman on a bridge 82.2 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an a
solong [7]

Answer:

0.71 m/s

Explanation:

We find the time it takes the stone to hit the water.

Using y = ut - 1/2gt² where y = height of bridge, u = initial speed of stone = 0 m/s, g = acceleration due to gravity = -9.8 m/s² (negative since it is directed downwards)and t = time it takes the stone to hit the water surface.

So, substituting the values of the variables into the equation, we have

y = ut - 1/2gt²

82.2 m = (0m/s)t - 1/2( -9.8 m/s²)t²

82.2 m = 0 + (4.9 m/s²)t²

82.2 m =  (4.9 m/s²)t²

t²  = 82.2 m/4.9 m/s²

t² = 16.78 s²

t = √16.78 s²

t = 4.1 s

This is also the time it takes the raft to move from 5.04 m before the bridge to 2.13 m before the bridge. So, the distance moved by the raft in time t = 4.1 s is 5.04 m - 2.13 m = 2.91 m.

Since speed = distance/time, the raft's speed v = 2.91 m/4.1 s = 0.71 m/s

5 0
3 years ago
How many hydrogen atoms are there in all the reactants?
Alinara [238K]

Answer:

<em>T</em><em>h</em><em>e</em><em>r</em><em>e</em><em> </em><em>are</em><em> </em><em>t</em><em>wo hydrogen </em><em>atom</em><em> </em><em>in</em><em> </em><em>all</em><em> </em><em>the</em><em> </em><em>reactants</em><em>.</em>

6 0
3 years ago
Read 2 more answers
it is about 384,750 kilometers from earth to the moon. it took the apollo astronauts about 2 days and 19.5 hours to fly to the m
Jet001 [13]
We know, speed = Distance / Time
d = 384,750 Km
t = 2 days, 19.5 hours = 48+19.5 = 67.5 hour

Substitute their values, 
s = 384,750 / 67.5
s = 5700 Km/h

In short, Your Answer would be 5700 Km/h

Hope this helps!
7 0
3 years ago
Read 2 more answers
At which point is cool air circulating beneath warm air?
stepan [7]

Answer:

1

Explanation:

5 0
3 years ago
Read 2 more answers
Light travels 300,000,000m/sec, and one year has approximately 32,000,000 seconds. A light year is the distance light travels in
dem82 [27]
A) 3 x 10 ^ 8
b) 3 x 10 ^ 5
c) 3.2 x 10 ^ 7
d) 9.6 x 10 ^ 15 m
e) 9.6 x 10 ^ 17 cm
3 0
4 years ago
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