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Calculate. The nature of light (3)
EduBook Organización
- 3312 visitas
Light from the Sun takes 8 minutes to reach the Earth. If you know the speed of light in space, what is the distance between the Earth and the Sun? There is a distance of ×10 kilometers between the Sun…
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Learn to calculate your lung capacity
EduBook Organización
- 3285 visitas
When we take a deep breath in and then breathe out as much air as possible, the volume of air exhaled is called the vital capacity of the lungs. After forced exhalation, the lungs still contain around…
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Video: Calculate your Body Mass Index (BMI)
Tiching explorer Organización
- 1 lo usan
- 5172 visitas
This 3 minute animated video explains what Body Mass Index is and what BMI means. We can also calculate our ideal BMI with the the interactive Body Mass Index calculator inside the video. Someone who is…
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Calculate. The nature of light (1)
EduBook Organización
- 2734 visitas
Calculate how far light travels in air in 20 s. In 20 s, light will travel .
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Calculate. The transpiration of a tree
EduBook Organización
- 2712 visitas
A tree has 150000 leaves, due to transpiration eeach leaf loses 1 mL of water an hour in one day during a hot summer. ¿How many litres of water are lost in one day with 13 hours of light?
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Calculate. Matter and its properties (2)
EduBook Organización
- 2485 visitas
Calculate the mass of water produced when 20 g of hydrogen reacts completely with 160 g of oxygen. g of water.
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Calculate. Distances in the Universe 5
EduBook Organización
- 2059 visitas
If Neptune is located 30 AU (astronomical units) away from the Sun, how many kilometres are there between them? km.
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Calculate. Matter and its properties (1)
EduBook Organización
- 2047 visitas
84 g of nitrogen reacts with hydrogen to form 102 g of ammonia. Calculate the mass of the hydrogen required for the reaction. g of hydrogen.
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Calculate. Distances in the Universe 6
EduBook Organización
- 1943 visitas
If the star nearest to the Sun is Alpha Centauri at a distance of 4.3 light years, how many kilometres away is it from the Earth? km.
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Calculate. Spain's balance of trade
EduBook Organización
- 1918 visitas
In 2009, imports into Spain were worth 270 437 million euros, while exports amounted to 248 884 million euros: What was Spain's balance of trade in 2009? Find out what products or services Spain…