Physics, 24.07.2019 20:30 ayeasley7777
Atrain travels 54 kilometers in one hours, and then 85 kilometers in 3 hours. what is its average speed?
Answers: 2
Physics, 21.06.2019 16:20
Describe how the fermi level changes with donor level, temperature and contact with p and n type semiconductors
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Physics, 21.06.2019 23:30
Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
Answers: 1
Physics, 23.06.2019 00:30
Diego kicks a soccer ball from the end line. his fellow students time and mark the soccer ball as it moves down the field. the graph represents the ball's progress. based on the graph, during what time is the velocity constant and positive?
Answers: 1
Physics, 23.06.2019 02:00
Farmer a has a deep well and needs a lot of water for her animals and crops. her neighbor, farmer b, has a shallower well. he needs less water than farmer a because his farm is smaller. in years of drought, sometimes farmer b can't get any water from his wells. what can farmer b do to decrease the likelihood of his well running dry?
Answers: 3
Atrain travels 54 kilometers in one hours, and then 85 kilometers in 3 hours. what is its average sp...
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