Part A What is the magnitude of the force F on the -10 nC charge in (Figure 1)? Suppose that a = 1.2 cm. Express your answer with the appropriate units. Figure < 1 of 1 > • View Available Hint(s) HÁ -15 nC 5.0 nC 3.0 cm F = Value Units y a Submit -10 nC Part B What is the direction of the force F on the -10 nC charge in (Figure 1)? Give your answer as an angle measured cw or ccw (specify which) from the +-axis.

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Hint: Use Coulomb's law to determine the components of the forces acting on the charge and add them correctly into the resultant force components. Recall how the components of a vector are related to its directional angle.

 

 

Part A
What is the magnitude of the force F on the -10 nC charge in (Figure 1)? Suppose that a = 1.2 cm.
Express your answer with the appropriate units.
Figure
< 1 of 1>
• View Available Hint(s)
HÀ
?
-15 nC
5.0 nC
3.0 cm
F =
Value
Units
y
Submit
-10 nC
Part B
What is the direction of the force F on the -10 nC charge in (Figure 1)? Give your answer as an angle measured cw or
ccw (specify which) from the +-axis.
Transcribed Image Text:Part A What is the magnitude of the force F on the -10 nC charge in (Figure 1)? Suppose that a = 1.2 cm. Express your answer with the appropriate units. Figure < 1 of 1> • View Available Hint(s) HÀ ? -15 nC 5.0 nC 3.0 cm F = Value Units y Submit -10 nC Part B What is the direction of the force F on the -10 nC charge in (Figure 1)? Give your answer as an angle measured cw or ccw (specify which) from the +-axis.
Part B
What is the direction of the force F on the -10 nC charge in (Figure 1)? Give your answer as an angle measured cw or
ccw (specify which) from the +r-axis.
Express your answer in degrees. Enter positive value if the angle is counterclockwise and negative value if the
angle is clockwise.
• View Available Hint(s)
nα ΑΣφ
Transcribed Image Text:Part B What is the direction of the force F on the -10 nC charge in (Figure 1)? Give your answer as an angle measured cw or ccw (specify which) from the +r-axis. Express your answer in degrees. Enter positive value if the angle is counterclockwise and negative value if the angle is clockwise. • View Available Hint(s) nα ΑΣφ
Expert Solution
Step 1

Consider the following diagram which represents the direction of forces on the reference charge (-10 nC) due to other two charges.

Advanced Physics homework question answer, step 1, image 1

Here, F1 is the electrostatic force exerted on -10 nC by the -15 nC and F2 is the electrostatic force exerted on -10 nC by 5 nC.

In this case,

q1 =  -15×10-9 C

q2 = 5×10-9 C

q = -10 ×10-9 C

AC is the distance between q1 and q. The value of AC is calculated in the following way.

Advanced Physics homework question answer, step 1, image 2

The angle made by F1 with the X-axis in the clockwise direction is calculated in the following way.

Advanced Physics homework question answer, step 1, image 3

According to Coulomb’s law, the value of F1 is calculated in the following way.

Advanced Physics homework question answer, step 1, image 4

According to Coulomb's law, the value of F2 is calculated in the following way.

Advanced Physics homework question answer, step 1, image 5

 

 

 

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