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S_A_V [24]
3 years ago
13

What is the primary type of battery we use today to store energy?

Physics
2 answers:
Ahat [919]3 years ago
4 0

Lithium-Ion batteries are commonly used in portable electronics and electric vehicles. These rechargeable batteries have two electrodes: one that's positively charged and contains lithium and another negative one that's typically made of graphite.

AleksAgata [21]3 years ago
3 0

Answer:

Lithium-Ion: Li-ion batteries are commonly used in portable electronics and electric vehicles. These rechargeable batteries have two electrodes: one that's positively charged and contains lithium and another negative one that's typically made of graphite.

Explanation:

Hope this helps :)

Have a great day!

Brainliest?

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34.1 grams / 1.1 mL =
nataly862011 [7]

Answer:

31,000kg/m^3

Explanation:

Hopefully this helps

6 0
3 years ago
A jetliner is moving at a speed of 245m/s. The vertical component of the plane's velocity is 40.6 m/s. Determine the magnitude o
Harman [31]

Answer:

Horizontal component of velocity = 241.61 m/s

Explanation:

Given that,

Velocity of a jetliner is 245 m/s

The vertical component of the plane's velocity is 40.6 m/s, v_y=40.6\ m/s

We need to find the magnitude of the horizontal component of the plane velocity.

The resultant velocity is given by :

v=\sqrt{v_x^2+v_y^2}

Where, v_x is the horizontal component of the plane velocity

v^2=v_x^2+v_y^2\\\\v_x^2=v^2-v_y^2\\\\v_x^2=(245)^2-(40.6)^2\\\\v_x=\sqrt{58376.64}\\\\v_x=241.61\ m/s

So, the magnitude of the horizontal component of the plane velocity is 241.61 m/s.

8 0
3 years ago
Frank has a sample of steel that weighs 80 grams. If the density of his sample of steel is 8 g/cm3, what is the sample’s volume?
Allushta [10]
It should be 10 cm3 since 1 cm3 is 8 and 10•8=80.
7 0
3 years ago
Read 2 more answers
Calculate the instantaneous speed of<br> an apple 8 seconds after being dropped<br> from rest.
Lynna [10]
Vfinal = Vinitial + at
Vinitial = 0
a = 9.8 m/s^2
t = 8s
Vfinal = 0 + 9.8 * 8
ANSWER: 78.4 m/s
8 0
3 years ago
UV radiaGon having a wavelength of 120 nm falls on gold metal, to which electrons are bound by 4.82 eV. What is the maximum kine
Solnce55 [7]

Answer:

K.E = 5.53 eV = 8.85 x 10⁻¹⁹ J

Explanation:

First we calculate the energy of photon:

E = hc/λ

where,

E = Energy of Photon = ?

h = Plank's Constant = 6.626 x 10⁻³⁴ J.s

c = speed of light = 3 x 10⁸ m/s

λ = wavelength = 120 nm = 1.2 x 10⁻⁷ m

Therefore,

E = (6.626 x 10⁻³⁴ J.s)(3 x 10⁸ m/s)/(1.2 x 10⁻⁷ m)

E = (16.565 x 10⁻¹⁹ J)(1 eV/1.6 x 10⁻¹⁹ J)

E = 10.35 eV

Now, from Einstein's Photoelectric equation we know that:

Energy of Photon = Work Function + K.E of Electron

10.35 eV = 4.82 eV + K.E

K.E = 10.35 eV - 4.82 eV

<u>K.E = 5.53 eV = 8.85 x 10⁻¹⁹ J</u>

4 0
3 years ago
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