Physics, 19.09.2019 01:30 fatherbamboo
The velocity of the wind relative to the water is crucial to sailboats. suppose a sailboat is in an ocean current that has a velocity of 2.20 m/s in a direction 30.0º east of north relative to the earth. it encounters a wind that has a velocity of 4.50 m/s in a direction of 50.0º south of west relative to the earth. what is the velocity of the wind relative to the water?
Answers: 1
Physics, 21.06.2019 19:30
Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more
Answers: 1
Physics, 22.06.2019 07:30
The slope of a velocity time graph over any interval of time gives the during that interval
Answers: 2
Physics, 22.06.2019 18:00
Cells in the nervous system have a potential difference of 70 mv across the cell membrane separating the interior of the cell from the extracellular fluid. this potential difference is maintained by ion pumps that move charged ions across the membrane. is this an emf? select the correct answer and explanation. 1)no. the ion pumps cannot separate charges; thus, they cannot create a potential difference. 2)yes. the ion pumps cannot separate charges, but they still can create a potential difference. 3)yes. the ion pumps can actively separate charge; thus, they can create a potential difference. 4)no. the ion pumps can separate charges, but they cannot create a potential difference.
Answers: 1
The velocity of the wind relative to the water is crucial to sailboats. suppose a sailboat is in an...
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