Problem 16.32 Two point charges, Q 1=39 C and Q 2=44 C , are separated by a dist
ID: 1429430 • Letter: P
Question
Problem 16.32
Two point charges, Q1=39C and Q2=44C , are separated by a distance of 12 cm . The electric field at the point P is zero (Figure 1) .
Part A
How far from Q1 is P ?
Express your answer to two significant figures and include the appropriate units.
SubmitHintsMy AnswersGive UpReview Part
Incorrect; Try Again; 4 attempts remaining
Provide FeedbackContinue
Figure 1 of 1
SPRING_2016_PHY_102_7007
Help
Close
Electric Field Homework
Problem 16.32
ResourcesConstants
« previous 4 of 4 return to assignment
Problem 16.32
Two point charges, Q1=39C and Q2=44C , are separated by a distance of 12 cm . The electric field at the point P is zero (Figure 1) .
Part A
How far from Q1 is P ?
Express your answer to two significant figures and include the appropriate units.
SubmitHintsMy AnswersGive UpReview Part
Incorrect; Try Again; 4 attempts remaining
Provide FeedbackContinue
x =Figure 1 of 1
SPRING_2016_PHY_102_7007
Help
Close
Electric Field Homework
Problem 16.32
ResourcesConstants
« previous 4 of 4 return to assignment
Explanation / Answer
Here, k * 39/x2 = k * 44/(0.12 +x)2
=> 6.245/x = 6.633/(0.12 + x)
=> x = - 1.931 m
=> far from Q1 is P = 1.931 m