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Bond [772]
3 years ago
5

Auroras are frequently seen

Physics
1 answer:
Kipish [7]3 years ago
3 0
Auroras are frequently seen :  B. After solar flares
The Aurora is created by an ongoing influx of particles into the Earth's  existing magnetic field,
This particles originated from the Sun as part of Solar wind

hope this helps
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The newest generation of smart phone uses three different batteries connected in a series simultaneously to extend battery life
azamat

Answer:

7.2 V

Explanation:

The three batteries are connected in series to the terminals of the phone: it means that they are connected along the same branch, so the current flowing through them is the same.

This also means that the potential difference across the phone will be equal to the sum of the voltages provided by each battery.

Here, the voltage provided by each battery is

V = 2.4 V

So, the overall voltage will be

V = 2.4 V + 2.4 V + 2.4 V = 7.2 V

8 0
3 years ago
A spring has a spring constant of 113 N/m . How much elastic potential energy is stored in the spring when it is compressed by 0
andrezito [222]

Answer:

= 1.7 Joules

Explanation:

The electrical potential energy is given by;

P.E = 1/2 ke²

Where, k is the spring constant, e is the extension

Therefore;

Electrical potential energy = 1/2 × 113 N/m × 0.03 m

                                           =  1.695 Joules

                                           <u>= 1.7 J</u>

7 0
3 years ago
Read 2 more answers
If an object moves 40 m north, 40 m west, 40 m south, and 40 m east, what's the total displacement?
scoundrel [369]
80,000 Is the answer I believe
6 0
3 years ago
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_______________ appears on the ecg as having no p wave, a wide qrs complex, and t waves that deflect in the opposite direction f
melomori [17]
It would probably be <span>Premature Ventricular Contractions.

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5 0
3 years ago
A solid is 5 cm tall, 3 cm wide, and 2 cm thick. It has a mass of 129 g. What is its<br> density?
rjkz [21]

Answer:

4.3 g/cm³ or 4.3g/cc

Explanation:

Volume(V) = Height × Length × Width

= 5cm × 3cm × 2cm

= 30cm³

Mass(m) = 129gram

So,

Density = m/V

= 129g/30cm³

= 4.3g/cc or 4.3g/cm³

7 0
3 years ago
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