Question

Lauren Take Test: M3HW3-PHY- Physics Archive | July 16, i ← → https://learn.kent.edu/webapps/assessment take/launch.jsp?course assessment_idーー226721-1 &course id=-132761-1 &Content id=-4958936-1&step-null 2 points Save Answer Question 4 In the drawing below, E-4.0N/C and d-1.5m. Calculate the work done by the electric field in moving a +5.0x10 charge from A to B. Be sure to include-sign if your answer is negative. Your answer needs to be in J but you don't need to A dB enter the unit in your answer for this question 2 pointsSave Answer Question 5 In the situation in diagram a above, calculate the potential energy difference between the +5.0x10-9c charge at B and at A. Be sure to include - sign if your answer is negative. Your answer needs to be in J but you don't need to enter the unit in your answer for this question. 2 points Save Answer Question 6 For the situation in diagram a above, calculate the potential difference between A and B. Be sure to include sign if your answer is negative. Your answer needs to be in V but you don't need to enter the unit in your answer tor this question. 2 points Save Answer Question 7 In the drawing below, E -4.ON/C and d - 1.5m. Calculate the work done by the electric field in moving a +5.0x10-9c charge from A to B. Be sure to include - sign if your answer is negative. Your answer needs to be in J but you don't need to enter the unit in your answer for this question. 1D) 2 points Save Answer Question 8 In the situation in diagram b above, calculate the potential energy difference betwe your answer for this question. Be sure to include -sign if your answer is negative. Your answer needs to be in J but you don't need to enter the unit in 2 pointsSave Answer Question 9 For the situation in diagram b above, calculate the potential difference between A and B. Be sure to include - sign if your answer is negative. Your answer needs to be in V but you don't need to enter the unit in your answer tor this question.

Could someone help me solve questoin 4-9? I am really struggling with them and could use an explanation. Thank you!

Answer 1

Question 4:

E = 4 N/C

q = 5 uC

d = 1.5 m

Force = qE = 20*10^-9 N

Work done = F*d = 30*10^-9 J = 30 uJ.

Question 5:

Since from a to b the work done is positive, the change in potential energy will be negative.

or b will be at lower potential.

delta PE = - 30 uJ

Question 6:

Potential difference = 30 uJ( A is at higher potential

Question 7:

AB line is perpendicular to the electric field then the work done will be zero.

Question 8:

Both are at same potential so potential difference = 0

Question 9:

Both are at same potential so potential difference = 0