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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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Answer:

The speed is 15 km/h or 4.16 m/s.

Explanation:

A boat travels the distance that separates Gran Canaria from Tenerife (90 km) in 6 hours. Which  the speed of the boat in km / h? And in m / s?

Given that,

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or

v=\dfrac{90000\ m}{21600\ s}\\\\=4.16\ m/s

So, the required speed is 15 km/h or 4.16 m/s.

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