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Naily [24]
2 years ago
6

Modern rechargeable batteries require rare earth elements to build. Why are modern rechargeable batteries expensive and a concer

n as electric vehicles become more popular?
The batteries are made from a common nonrenewable resource.
The batteries are made from a common nonrenewable resource.

The batteries are made from a common renewable resource.
The batteries are made from a common renewable resource.
Physics
1 answer:
My name is Ann [436]2 years ago
8 0

The batteries being made from a common nonrenewable resource is the

reason why modern rechargeable batteries are expensive.

<h3>What is a Non-renewable resource?</h3>

Non-renewable resource are those in which it is very difficult to replace

them easily through natural methods. This makes it hard to meet up with

customer's use.

This thereby makes it very expensive and not able to meet up with

customer's needs. This is why renewable sources are more preferable.

Read more about Non-renewable resource here brainly.com/question/858812

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Which part of the electromagnetic spectrum have the highest level of photon energy
Pani-rosa [81]
The energy carried by one photon is directly proportional to its
frequency.  So the photon energy is greatest for the electromagnetic
waves with the highest frequency / shortest wavelengths. 

That's why when you get past visible light and on up through ultraviolet,
X-rays, and gamma rays, the radiation becomes dangerous ==> each
photon carries enough energy to tear electrons away from their atoms,
ripping molecules apart and damaging cells.

The photon with the highest energy is a gamma-ray photon.


4 0
2 years ago
What is the average velocity of atoms in 2.00 mol of neon (a monatomic gas)
Dimas [21]

Answer:

v = 876 m/s

Explanation:

It is given that,

Number of mol of Neon is 2 mol

Temperature, T = 308 K

Mass, m = 0.02 kg

Value of R - 8.31 J/mol-K

We need to find the average velocity of atoms in 2.00 mol of neon. Neon is a monoatomic gas. Let v is the velocity. So,

\dfrac{1}{2}mv^2=\dfrac{3}{2}nRT\\\\v=\sqrt{\dfrac{3nRT}{m}} \\\\v=\sqrt{\dfrac{3\times 2\times 8.314\times 308}{0.02}} \\\\v=876.47\ m/s

So, the correct option is (B).

8 0
3 years ago
Read 2 more answers
Describe two examples of Newton's First Law of Motion; the motion of an object does not change if the
alexgriva [62]

Answer:

if you slide a hockey puck on ice, it will eventually stop, because of friction on the ice

kite when the wind changes can be described by the first law

Explanation:

if you slide a hockey puck on ice, it will eventually stop, because of friction on the ice

kite when the wind changes can be described by the first law

6 0
2 years ago
How to calculate ?Help!!!
Alona [7]
How to calculate what?
6 0
3 years ago
I need help! what are some sentences that help me explain Explain the process that creates wind?
Furkat [3]

Answer:

Explanation:

Wind is air in motion. It is produced by the uneven heating of the earth's surface by the sun. Since the earth's surface is made of various land and water formations, it absorbs the sun's radiation unevenly. Two factors are necessary to specify wind: speed and direction.

5 0
2 years ago
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