I need help understadning. If you could please help me. I cannot get these, please do not solve one. I don't get these. I need step by step and explanations for why and do not skip steps or un label things. I am tired of taking this class again and again. Please dumb down anything if possible

6. Three charges are situated at corners of a rectangle as in the figure below. How much work must an external agent do to move the 8.0 C charge to infinity?

7. onsider the Earth and a cloud layer 500 m above the planet to be the plates of a parallel-plate capacitor.(a)If the cloud layer has an area of 4.0 km² = 4000000 m², what is the capacitance? F(b)If an electric field strength greater than 3.0 ? 10⁶ N/C causes the air to break down and conduct charge (lightning), what is the maximum charge the cloud can hold?

8. (a) When a 8.50-V battery is connected to the plates of a capacitor, it stores a charge of 17.0 ?C. What is the value of the capacitance? ?F (b) If the same capacitor is connected to a 15.0-V battery, what charge is stored?

9. A 18.0-V battery is connected to a 3.60-?F capacitor. How much energy is stored in the capacitor?

10. If electrical energy costs $0.12 per kilowatt-hour, how much do the following events cost? (a) To burn a 60.0-W lightbulb for 24 h. $ (b) To operate an electric oven for 4.9 h if it carries a current of 20.0 A at 220 V. $

Three charges are situated at corners of a rectangle as in the figure below. How much work must an external agent do to move the 8.0 JC charge to infinity? 8.0 UC 6.0 cm 3.0 cm 2.0 UC 4.0 UC Need Help? Read It /0 Points] DETAILS SERCP11 16.5.P.029. MY NOTES ASK YOUR TEACHER PRACTICE Consider the Earth and a cloud layer 500 m above the planet to be the plates of a parallel-plate capacitor. (a) If the cloud layer has an area of 4.0 km = 4000000 m, what is the capacitance? (b) If an electric field strength greater than 3.0 x 10" N/C causes the air to break down and conduct charge (lightning), what is the maximum charge the cloud can hold? CIf electrical energy costs $0.12 per kilowatt-hour, how much do the following events cost? (a) To burn a 60.0-W lightbulb for 24 h. (b) To operate an electric oven for 4.9 h if it carries a current of 20.0 A at 220 V. $