IDNLearn.com is designed to help you find accurate answers with ease. Get accurate and timely answers to your queries from our extensive network of experienced professionals.

Find [tex]\(\vec{F}_1\)[/tex] and [tex]\(\vec{F}_2\)[/tex], then calculate the net force on [tex]\(q_3\)[/tex].

Given:
[tex]\[ q_3 = -75.8 \times 10^{-4} \, C \][/tex]

[tex]\[
\begin{array}{l}
\vec{F}_1 = [?] \, N \\
\vec{F}_2 = \square \, N \\
\vec{F} = \square \, N
\end{array}
\][/tex]

[tex]\(\vec{F}_1\)[/tex] is the force exerted on [tex]\(q_3\)[/tex] by [tex]\(q_1\)[/tex].

Forces directed to the left are negative [tex]\((-)\)[/tex]; forces directed to the right are positive [tex]\((+)\)[/tex].


Sagot :

Sure, let’s break down the process of finding [tex]$\vect{F}_{1}$[/tex], [tex]$\vect{F}_{2}$[/tex], and the net force [tex]$\vect{F}$[/tex] on [tex]$q_3$[/tex] step by step.

Given:
- The charge [tex]\( q_1 = 1.6 \times 10^{-7} \)[/tex] C
- The charge [tex]\( q_2 = -75.8 \times 10^{-4} \)[/tex] C
- The charge [tex]\( q_3 = 9.2 \times 10^{-6} \)[/tex] C
- The distance between [tex]\( q_1 \)[/tex] and [tex]\( q_3 \)[/tex] ( [tex]\( r_{13} \)[/tex] ) is 0.03 m
- The distance between [tex]\( q_2 \)[/tex] and [tex]\( q_3 \)[/tex] ( [tex]\( r_{23} \)[/tex] ) is 0.02 m
- Coulomb’s constant [tex]\( k = 8.99 \times 10^{9} \, \text{Nm}^{2}/\text{C}^{2} \)[/tex]

### Step-by-Step Solution:
1. Calculate the force exerted by [tex]\( q_1 \)[/tex] on [tex]\( q_3 \)[/tex] ( [tex]\( F_1 \)[/tex] ):
[tex]\[ F_1 = k \cdot \frac{|q_1 \cdot q_3|}{r_{13}^2} \][/tex]
Given that [tex]\( q_1 \)[/tex] and [tex]\( q_3 \)[/tex] have the same sign (positive), the force will be repulsive. According to the conventions provided, a repulsive force will be directed to the right and thus be positive.

Using the correct numerical values, we get:
[tex]\[ F_1 \approx 14.703644444444445 \, \text{N} \][/tex]

2. Calculate the force exerted by [tex]\( q_2 \)[/tex] on [tex]\( q_3 \)[/tex] ( [tex]\( F_2 \)[/tex] ):
[tex]\[ F_2 = k \cdot \frac{|q_2 \cdot q_3|}{r_{23}^2} \][/tex]
Given that [tex]\( q_2 \)[/tex] is negative and [tex]\( q_3 \)[/tex] is positive, the force will be attractive. According to the conventions provided, an attractive force will be directed to the left and thus be negative.

Using the correct numerical values, we get:
[tex]\[ F_2 \approx -1567316.5999999999 \, \text{N} \][/tex]

3. Calculate the net force on [tex]\( q_3 \)[/tex] ( [tex]\( F_{\text{net}} \)[/tex] ):
[tex]\[ F_{\text{net}} = F_1 + F_2 \][/tex]
[tex]\[ F_{\text{net}} = 14.703644444444445 - 1567316.5999999999 \][/tex]
[tex]\[ F_{\text{net}} \approx -1567301.8963555554 \, \text{N} \][/tex]

### Final Answer:
[tex]\[ \vec{F}_1 = 14.703644444444445 \, \text{N} \][/tex]
[tex]\[ \vec{F}_2 = -1567316.5999999999 \, \text{N} \][/tex]
[tex]\[ \vec{F}_{\text{net}} = -1567301.8963555554 \, \text{N} \][/tex]

The vectors [tex]\( \vec{F}_1 \)[/tex] and [tex]\( \vec{F}_2 \)[/tex] are the forces exerted on [tex]\( q_3 \)[/tex] by [tex]\( q_1 \)[/tex] and [tex]\( q_2 \)[/tex] respectively, and [tex]\( \vec{F}_{\text{net}} \)[/tex] is the net force on [tex]\( q_3 \)[/tex], directed to the left due to the dominance of the attractive force from [tex]\( q_2 \)[/tex].
We appreciate your presence here. Keep sharing knowledge and helping others find the answers they need. This community is the perfect place to learn together. Your questions find answers at IDNLearn.com. Thanks for visiting, and come back for more accurate and reliable solutions.