clark plans to fertilize his yard this summer. His yard is 40 feet wide a 60 feet long. thus included a 4 foot wide and 20 foot
long flower bed, which he will not fertilize. A bag of fertilizer costs $8.25 and covers 1,000 square feet. He also hopes to fertilize his neighbors yard the neighbors yard is 50 feet wide and proportional to clarks yard including a 5 foot wide and 30 foot long flower bed that will not be fertilized how long is the neighbors yard? set up a proportion
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Answer:
Step-by-step explanation:
<u>Electric Field</u>
The electric field produced by a point charge Q at a distance d is given by
Where
The net electric field is the vector addition of the individual electric fields produced by each charge. The direction is given by the rule: If the charge is positive, the electric field points outward, if negative, it points inward.
Let's calculate the electric fields of each charge at the given point. The first charge is at the origin. We'll calculate its electric field at the point x=-3.85 cm. The distance between the charge and the point is d=3.85 cm = 0.0385 m, and the electric field points to the left:
Similarly, for , the distance to the point is 12 cm + 3.85 cm = 15.85 cm = 0.1585 m. The electric field points to the right:
Since E1 and E2 are opposite, the net field is the subtraction of both