Urgent
science
what are significant figures ?
(a) they are all know...
Physics, 21.11.2019 03:31 jorgereyes01
Urgent
science
what are significant figures ?
(a) they are all known digits in a measurement
(b) the gauge of the accuracy of a measurement
(c) the limit of a measurement
(d) they are a close approximation of the actual value of what is being measured
Answers: 2
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When a neutral charge, comes into contact with a positive charge they repel each other nothing happens the neutral charge becomes negative they attract each other
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Three charge are arranged as shown in the diagram. the magnitude of the net electrical force acting on the +6 uc charge, rounded to the tenths place, is .
Answers: 1
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Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?
Answers: 2
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