Physics, 11.11.2019 08:31 mohayon2020
It takes about 7000 years for light from the eagle nebula to reach us on earth. using this information, and the speed of light given above, calculate how far the eagle nebula is from us in kilometres
note: the speed of light is 3x10^8
Answers: 2
Physics, 22.06.2019 09:00
What is a possible result of higher air temperature caused by global warming
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Physics, 22.06.2019 09:30
This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer
Answers: 2
Physics, 22.06.2019 10:00
This is important 1. what happens to the speed of molecules in water vapor when it condenses to form a liquid? (2 points) the molecules slow down. the molecules speed up. the molecules slow down and then speed up. the molecules speed up and then slow down. 2. how might human activities change to compensate for a decrease in water supplies? (2 points) humans might build a factory. humans might build drainage systems. humans might extract more water from the ground. human behavior does not change because of the water cycle. i'll be grateful if anyone can answer these 2 questions !
Answers: 1
Physics, 22.06.2019 10:30
J. j. thomsonâs experiment disproved the theory that an atom
Answers: 3
It takes about 7000 years for light from the eagle nebula to reach us on earth. using this informati...
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