1. A piece of plastic has a net charge of +2.0 nC. How many more protons do this piece of plastic have?
1. A piece of plastic has a net charge of +2.0 nC. How many more protons do this piece of plastic have?
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Transcribed Image Text:1. A piece of plastic has a net charge of +2.0 nC. How many more protons do this piece of plastic
have?
2. An electron is initially moving horizontally at Vo= 3.0X10^6 m/s when it enters a uniform electric
field of 5.6 N/C directed vertically down. What are the horizontal and vertical components of its
2.0 us after entering the electric field?
3. Give the Sl unit of the following
Potential
Work
Potential Energy
Electric Current
Electric Charge
4. An electron is initially moving
horizontally at 3x10^6 m/s when it
enters a uniform electric field of 5.6 N/C.
91
(a) Calculate the magnitude of the
92
electric force (b) find the vertical
93
acceleration of electron using this
formula (Fe-mg=ma)
97
94
q5
96
5. Calculate the electric flux of the closed
surfaces c and d given the following
charges: q1= +3C, q2= +1C, q3= -5C, q4=
-9C, q5= -4C, q6= -2C q7= -3C, q8= -1C
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