If you peel two strips of transparent tape off the same roll and immediately let them hang near each other. they will repel each other. If you then stick the sticky side of one to the shiny side of the other and rip them apart, they will attract each other. Give a plausible explanation, involving transfer of electrons between the strips of tape, for this sequence of events.
If you peel two strips of transparent tape off the same roll and immediately let them hang near each other. they will repel each other. If you then stick the sticky side of one to the shiny side of the other and rip them apart, they will attract each other. Give a plausible explanation, involving transfer of electrons between the strips of tape, for this sequence of events.
If you peel two strips of transparent tape off the same roll and immediately let them hang near each other. they will repel each other. If you then stick the sticky side of one to the shiny side of the other and rip them apart, they will attract each other. Give a plausible explanation, involving transfer of electrons between the strips of tape, for this sequence of events.
Expert Solution & Answer
To determine
An explanation to describe the transfer of electrons between the two strips of the transparent tape.
Explanation of Solution
The flow of electrons can be found using the concept of electric attraction and repulsion. Two positively charged objects repel each other and two negatively charged objects repel each other; positively charged objects and negatively charged objects will attract each due to the electric force.
In the process of peeling the strip of tape, flow of electrons which are negatively charged occurs between the strip and rest part of the tape roll. The process of peeling off the two strips generates two negatively charged objects which in turn causes repulsion. Stick the two strips as sticky side of one to the shiny side of the other and pull it forcibly from each other, flow of electrons occurs and ends up with the net charge of positively charged object due to the electric force. Thus, the attraction occurs between positively and negatively charged objects.
Conclusion: In electrostatics, flow of electrons occurs and attraction takes place only when stuck and rip process occurs among the strips of transparent tape.
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The 10-lb weight is supported by the cord AC and roller and by the spring that has a stiffness of k = 10 lb/in. and an
unstretched length of 12 in. as shown in.
Part A
Determine the distance d to maintain equilibrium.
Express your answer in inches to three significant figures.
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d =
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t
0
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d
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A
in.
12 in.
B
The members of a truss are connected to the gusset plate as shown in
. The forces are concurrent at point O. Take = 90° and T₁ = 7.5 kN.
Part A
Determine the magnitude of F for equilibrium.
Express your answer to three significant figures and include the appropriate units.
F =
Value
Submit
Request Answer
Part B
0
?
Units
Determine the magnitude of T2 for equilibrium.
Express your answer to three significant figures and include the appropriate units.
?
T₂ =
Value
Units
T₁
C
pls help on both
Chapter 21 Solutions
University Physics with Modern Physics (14th Edition)
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