Physics, 17.10.2019 05:10 ashleyvalles16
Nerve signals in the body occur when a small voltage, called an action potential, is applied across the membrane of a cell. when this action potential is applied across a region of the cell membrane called an ion channel, current in the form of moving potassium ions will be established across the cell. if, during an action potential, a single ion channel with a resistance of 1.8 gω, is opened for 1.1 ms, approximately 9 singly-ionized potassium ions travel through the channel during this time. what was the voltage of the action potential
Answers: 2
Physics, 21.06.2019 19:00
Prompta snowboarder stands at the top of a hill and decides to see if he can increase his speed on his next trip down the slope.describe one thing the snowboarder could do to incrlase his speed on the slope. explain why this would cause his speed toincrease relate one of newton's laws to this problem.
Answers: 2
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 3
Physics, 22.06.2019 03:30
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
Physics, 22.06.2019 14:30
Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)
Answers: 2
Nerve signals in the body occur when a small voltage, called an action potential, is applied across...
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