1. An electric field of 11.4 N/C directed due north is superposed on an existing electric...
1. An electric field of 11.4 N/C directed due north is
superposed on an existing electric field of 17.7 N/C directed due
east.
What is the magnitude of the resultant field? What is the the
direction of the resultant field as measured from the positive
x-axis (East)?
2. A tiny ball of mass 0.425 g is suspended by a thread of negligible mass in a horizontal electric field of 400 N/C. If the ball has a charge q = 9.50×10-6 C, what will be the deflection angle of the string measured from the vertical?
3. A point charge Q produces an electric field of magnitude 112.5 N/C at a distance of 1.68 m. If the field is directed toward the charge, what is the value of Q?
Homework Answers
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1. An electric field of 11.4 N/C directed due north is
superposed on an existing electric...
An electric field of 10.2 N/C directed due north is superposed on an existing electric field...
An electric field of 10.2 N/C directed due north is superposed on an existing electric field of 16.7 N/C directed due east. What is the magnitude of the resultant field? What is the the direction of the resultant field as measured from the positive x-axis (East)?
A point charge Q produces an electric field of magnitude 120.5 N/C at a distance of...
A point charge Q produces an electric field of magnitude 120.5 N/C at a distance of 1.68 m. If the field is directed toward the charge, what is the value of Q?
A tiny, 0.60 g ball carries a charge of magnitude 8 μC. It is suspended by a thread in a downward electric field of intensity 300 N/C. What is the tension in the thread if the charge on the ball is negative?
A tiny, 0.60 g ball carries a charge of magnitude 8 μC. It is suspended by a thread in a downward electric field of intensity 300 N/C. What is the tension in the thread if the charge on the ball is negative?
Consider a uniform horizontal electric field of 50 N/C directed toward the east. If the electric...
Consider a uniform horizontal electric field of 50 N/C directed toward the east. If the electric potential measured at a given point is 80 V, what is the potential at a point 1.0 m directly west of that point? (the answer is NOT 30V).
Consider a uniform electric field of 20 N/C directed toward the east. The voltage measured at...
Consider a uniform electric field of 20 N/C directed toward the east. The voltage measured at a point x = 6 m east of the origin is 80 V. (a What is the voltage measured at a point 5 m directly south of x? (b What is the voltage measured at a? c) What is the voltage at the origin?
A test charge of +3 uC is at a point P where the net electric field due to other charges is directed to the right and has a magnitude of 4 x 106 N/C
A test charge of +3 uC is at a point P where the net electric field due to other charges is directed to the right and has a magnitude of 4 x 106 N/C. If the test charge is replaced with a charge of -3 μC, what happens to the electric field at P? The field has the same magnitude as before, but changes direction. The field increases in magnitude and changes direction. The field remains the same. The field decreases in magnitude and...
The electric field across a cell membrane is 5.36 × 107 N/C directed into the cell....
The electric field across a cell membrane is 5.36 × 107 N/C directed into the cell. What is the magnitude of the electric force on the sodium ion? The charge on the sodium ion is +e.
An electric field of magnitude 5.25 ✕ 105 N/C points due south at a certain location....
An electric field of magnitude 5.25 ✕ 105 N/C points due south at a certain location. Find the magnitude and direction of the force on a −3.70 μC charge at this location. magnitude N direction ---Select--- north south east west
An electric field of magnitude 5.25 ✕ 105 N/C points due north at a certain location....
An electric field of magnitude 5.25 ✕ 105 N/C points due north at a certain location. Find the magnitude and direction of the force on a −4.05 μC charge at this location. magnitude _____ N direction _______
An electric field of strength E = 4700 N/C is directed along the +x-axis as shown....
An electric field of strength E = 4700 N/C is directed along the
+x-axis as shown.
An electric field of strength E = 4700 N/C is directed along the +x-axis as shown. What is the magnitude of the potential difference between point B and point A if the distance between these two points is 10 cm? An electron is initially at rest at point B. How much kinetic energy (in electron-Volts, or eV) will the electron gain by moving to...
An electric field of strength E = 4700 N/C is directed along the
+x-axis as shown.
An electric field of strength E = 4700 N/C is directed along the +x-axis as shown. What is the magnitude of the potential difference between point B and point A if the distance between these two points is 10 cm? An electron is initially at rest at point B. How much kinetic energy (in electron-Volts, or eV) will the electron gain by moving to...
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