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A solid sphere of uniform mass 5.0 kg is released from rest from the top of a slanted roof that is
5.0 m long and angled at 30", as show
Question; Q
The following are congurations of electric charges
located at the vertices of an equilateral triangle. Point
I [S In the plane of the triangle and equidistant from
thecharges.
+q._-. +q
P
- ' the i ~ - de
(a) L 95mg . formation in the graph: termine the t
immediately after the switch is closed. p0 6mm dlffcmnce V0 across the was
ii. WOUId die oPen circuit'voltage 0f the fresh battery
.I/
C
a
2000 EM 2. The circuit above contains a capacitor otcapacitance C. a power supply of emf 8, two
reststom of resistances R1 and R; and two switches. 3'1 and 82. initially. the capacitor is un
A charged line, like the one above, extends from y = 2.500m to y = 2.50cm. The total charge
distributed unifomlly along the line is -7.00 nC.
. _ . . . 1 Q
a. Show that the electric eld at pomt P IS d
J " .\w-\r 3.!" F r ' 4-
a 1997 Physics C 50]0' Distribution
of points
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1
w, ,A-V w
an. .x'e-Pf 3:. .A refit
E&M 2 (15 points)
(a) 3 points
Using Gauss Saw
IE1} = 9.
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For the c