Use the following values as needed e= 1.6 x10 ^-19 C. k = 1/4pie€o = 9.0 x 10 ^9

Question

Use the following values as needed
e= 1.6 x10 ^-19 C. k = 1/4pie€o = 9.0 x 10 ^9 N m squared/ C squared


These independent problems may refer to the following information
Point a is at position ( -3.0 j 4.0 k) cm
Point b is at position 4.0 cm k
Point c is at position (3.0i - 2.0j 5.0 k) cm
Point d is at position -3.0 cm j

1. Charges of -4.0 and 9.0 microC are at A & B respectively. What is the electric force on an electron at D?

2. An electric field of -6x10^6 N/C j is observed at the origin. The single charge causing this field is at one of the above named points. Which point is the charges location and what is the charges value? Explain your reasoning.

3. Assume the electric field near the northeast corner of your table is uniform at 3x10^4 N/C east. We assign zero as the value of electric potential at the corner. What is the potential 2 cm west of the corner?

4. Charges of -7.5 and 3.0 microC are at D and A respectively. What is the electric potential at B, if we take zero potential at infinity?

Explanation / Answer

From the given inforation that you have provided. you just need to subtitute your known values and solve for the unknown. HINT: There may be more than one equation needed to solve the question

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