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Final Autoevaluation T07 08 - Energy inside the Earth
EduBook Organización
- 1840 visitas
Indicate which concepts refer the following definitions: The forces that cause mountain chains to form are... Mountain chains are formed over ... The Andes mountain chain was formed by... A depression…
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Calculate. Pressure
EduBook Organización
- 1837 visitas
Calculate the pressure exerted on snow by the feet of a man with a mass of 81 kg if you know that the total surface area of the soles of his boots is 0,6 m2? Note: g = 9,8 m/s2. P = Pa
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Choose. Upthrust and buoyancy
EduBook Organización
- 1842 visitas
Choose the correct answer: What equals the upward thrust experienced by a submerged object in a liquid? What is the apparent weight of an object? What happens if the weight is less than the upward…
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Analyse. Learn to calculate and work with graphs
EduBook Organización
- 1833 visitas
Graphs help us to understand the relationships between the magnitudes represented on them. A very common way of drawing a graph is to give magnitudes to the quantities we are studying and transfer them…
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Final Autoevaluation T10 02 - Obtaining and using energy
EduBook Organización
- 1839 visitas
Calculate the work being done: By a person who pushes a wheelbarrow for a distance of 100 m if he exerts a force of 500 N. W = J By a person pushing a very heavy block, failing to move, exerting a force…
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The reflection of sound
EduBook Organización
- 1841 visitas
7.1. Reflection of sound Sound is transmitted in a straight line. When it meets obstacles that it cannot cross, like a wall or a rock, it is reflected back in the other direction. Two phenomena caused…
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Check. The reflection of sound
EduBook Organización
- 1840 visitas
Remember what you have studied in this section and answer the questions: What is the reflection of sound? Explain an echo. Why is a minimum distance needed to hear it?
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Did you know...
EduBook Organización
- 1839 visitas
The British economist John M. Keynes argued that state intervention was the best way to escape from the crisis: public investment to provide employment, increased wages to boost consumption, etc.
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Violence and abuse
EduBook Organización
- 1834 visitas
Female victims of male violence have doubled since 1999. Some 10.8 % of women over 18 years of age have been the victim of some form of male aggression. In the past year alone, 6000000 women were…
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Interpret. Legal immigrants in Spain.
EduBook Organización
- 1842 visitas
Compare this data with data from the previous graph and draw conclusions about the growth of the population.
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