Physics, 09.06.2020 15:57 justinbailey96
The coefficient of linear expansion of steel is 11 x 10 perc . A steel ball has a volume of exactly 100 cm at 0 C. When heated to 100 C, its volume becomes:
Answers: 1
Physics, 21.06.2019 17:00
Why is alternating current more effective at long–distance travel than direct current? a. the power lines are made out of conductors. b. transformers increase or decrease voltage as needed. c. the ac generator is more efficient. d. ac has lower voltage than dc.
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Physics, 21.06.2019 23:00
Will you chech and finish these for me, because i am stumped with them.
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Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. which of these materials would be useful in conducting heat?
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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
The coefficient of linear expansion of steel is 11 x 10 perc . A steel ball has a volume of
exactly...
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