Physics, 10.12.2019 18:31 redhot12352
The driver of a red car decides to pass another car on a two-lane road. while passing, a black car appears in the passing lane approaching the red car from the other direction. as indicated by the speedometers, the speed of the red car is 69 mph and the speed of the black car is 58 mph. from the perspective of the red car, what is the speed of the black car?
Answers: 1
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What are similarities and differences between refraction, reflection, diffraction and absorption?
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Physics, 22.06.2019 11:00
The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.
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By what primary heat transfer mechanism does the sun warm the earth?
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Physics, 23.06.2019 03:00
The law of entropy can also be called the law of increasing disorder, but this law seems to contradict the existence of living organisms that are able to organize chemicals into organic molecules. prepare for a class debate on the validity of the following arguments: a. living things are not subject to the laws of thermodynamics. b. the increase in the universe's entropy due to life processes is greater than the decrease in entropy within a living organism.
Answers: 2
The driver of a red car decides to pass another car on a two-lane road. while passing, a black car a...
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