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Quiz 1 February 13, 2019 Name Equations: F = k 9192 k=9 X 10°N m²/C2 = 1/(4teo), 80 = 8.85 X 10-12 C/N m2 e = 1.6 X 10-1°C me
and a negatively 1. (2) Draw the electric field lines surrounding a positively charged plate and a ne charged conducting sphe
2. (2) A small sphere of mass 2.5 x 10-5 kg hangs from a silk thread of length 30 cm in an Electric Field as shown below. The
3. (1) A conducting sphere has a net charge of -6.4 x 10-7C. What is the approximat number of excess electrons on the sphere?
4. (2) A proton moves in a constant electric field E from point A to point B. The magnitude of the electric field is 6.4 x 10
S. (2) Four point charges are placed at the corners of a square as shown in the figure. Each side of the square has length 2.
6. (1) Each of three objects has a net charge. Objects A and B attract one another. Objects B and C also attract one another,
science   Advanced-Physics   
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Answer #1

22/as charge on the sphere is negative. Test f ino from fig, and F = Tsino ta Tuso ang 7 T = mg :q E = Tsina q= Tsino mgsing12 Given, A Proton B E = 6.4x109w/e s=0.5m Vi = 3x10b wys q=1.681019 ² dw = - Edu VB Veroa - El au 7 va = - EXOS ob-AX10AX0.we have, F =qE ma=qE a PE = 1.6x15 19 x 6 4X104 m 1.67 810-27 = 6.13 xlott megn v = utas v = vr + 2as = $132106 ) 2 + 2 x 6.1Thanks

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