2. Three point charges are fixed in place at the corners of a trapezoid as shown. The upper side has length 3.0 cm, the base has length 5.0 cm and the height is 3.0 cm. q, =+ 10.0 nC, 3 cm 3- 5.0 пC, and 93 =+ 5.0 nC. 3 cm| a. Find the electric field at point P, the lower left corner of the trapezoid. b. Find the electric potential at point P taking the potential at infinity to be zero. -27. 1. 67 x 10 kg) 43 1 cm c. Suppose a proton (m is placed at point P and is released from rest. What will its speed be when it is very far from the arrangement of charges? 1 cm 3 cm

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Chapter1: Units, Trigonometry. And Vectors
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2. Three point charges are fixed in place at the
corners of a trapezoid as shown. The upper side
has length 3.0 cm, the base has length 5.0 cm
and the height is 3.0 cm. q, =+ 10.0 nC,
3 cm
92
5. 0 nC, and q, =+ 5.0 nC.
3 cm|
a. Find the electric field at point P, the lower
left corner of the trapezoid.
b. Find the electric potential at point P
taking the potential at infinity to be zero.
-27
= 1. 67 × 10 kg)
c. Suppose a proton (m
is placed at point P and is released from
rest. What will its speed be when it is very far from the
arrangement of charges?
P
1 cm
3 ст
1 cm
3.
Transcribed Image Text:2. Three point charges are fixed in place at the corners of a trapezoid as shown. The upper side has length 3.0 cm, the base has length 5.0 cm and the height is 3.0 cm. q, =+ 10.0 nC, 3 cm 92 5. 0 nC, and q, =+ 5.0 nC. 3 cm| a. Find the electric field at point P, the lower left corner of the trapezoid. b. Find the electric potential at point P taking the potential at infinity to be zero. -27 = 1. 67 × 10 kg) c. Suppose a proton (m is placed at point P and is released from rest. What will its speed be when it is very far from the arrangement of charges? P 1 cm 3 ст 1 cm 3.
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