Last time there was some confusion because I asked multiple question which perta

Question

Last time there was some confusion because I asked multiple question which pertained to the same initial set of information. Also the reason I'm asking these question is because I am at a study group and without the correct answers we end up debating the for far too long... Thank you guys for your help!!!!! II. A charge of 10-9 Coulombs is placed on a rectangular metal plate 10 cm by 20 cm on a side. The plate is parallel to and spaced 1.5cm from a similar plate with an equal and opposite -10-9 Coulombs of charge on it to form a parallel plate capacitor. 7. What is the electric field strength in the space between the plates? Neglect edge effects. a) 226 N/C b) 0.565 N/C c) 5650 N/C d) 3590 N/C e) 1.77x10-4 N/C 8. What is the electric field strength in the regions to the left and right of the capacitor, outside of the region between the plates? Neglect edge effects. a) twice as large as the field inside b) zero, the fields of each plate cancel outside of the capacitor. c) half the size of the field inside d) the same size as the interior field but pointing away from the positive plate on the left and toward the negative plate on the right e) the same size as the interior field but pointing toward the positive plate on the left and away from the negative plate on the right 9. What is the force in Newtons on a proton placed between the plates? The charge of a proton is 1.6x10-19 C and the mass of a proton is 1.67x10-27 kg. a) 9.44x10-24 b) 5.41x1011 c) 9.04x10-16 d) 3.38x1030 e) 9.04x10-20 10. If the proton is released from rest from the surface of the positive plate, what is its approximate velocity when it reaches the negative plate 1.5 cm away in m/s? a) 0 m/s since the proton is not attracted to the negative plate and remains near the positive plate b) 5.4x1011 m/s c) 1.62x1010 m/s d) 127,000 m/s e) 104,000 m/s

Explanation / Answer

E=Q/Ae =10^-9/.1*.2/e =5650 N/C c)5650 N/C

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