Shanti_122
University M

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25/02/2013

## 5

#### "A concrete mixer delivered 50 m3 of concrete to a building site, what was the mass of the concrete delivered? (Density of concrete = 2400 kg m−3)"

"I am eager to know! A concrete mixer delivered 50 m3 of concrete to a building site, what was the mass of the concrete delivered? (Density of concrete = 2400 kg m−3)"
25/02/2013

## 4

#### Why is a filament light bulb not an efficient source of light?

I want to understand that why is a filament light bulb not an efficient source of light?
25/02/2013

## 6

#### Why is a fluorescent tube an efficient source of light?

Can some one out in the Docsity world provide the details. Why is a fluorescent tube an efficient source of light?
25/02/2013

## 6

#### What energy conversion takes place in a solar panel?

Hey guys! One more question stuck, anyone? What energy conversion takes place in a solar panel?
25/02/2013

## 3

#### What energy conversion takes place when a fuel is burnt?

Hi all, need help!!!!!! What energy conversion takes place when a fuel is burnt?
25/02/2013

## 6

#### State one energy conversion that takes place in an electrical generator.

Hello everyone!  State one energy conversion that takes place in an electrical generator.
25/02/2013

## 6

#### How does the sun produce heat and light?

Hi! Please help me I am stuck with this. How does the sun produce heat and light?
25/02/2013

## 6

#### Give one disadvantage of non-renewable energy sources.

Hi Docsity Q n A contributors! Give one disadvantage of non-renewable energy sources.
25/02/2013

## 6

#### Which of the following is not a renewable source of energy: ? wind, nuclear, solar, hydroelectric

Hi all! I have lost all hope but I believe this forum can help me. Which of the following is not a renewable source of energy: ? wind, nuclear, solar, hydroelectric
25/02/2013

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