Two piers, A and B, are located 105 km away from each other along a river. A motor boat, with a speed of 40 km/hour in still wat
1 answer:
You might be interested in
Answer:
Required total charge is coulombs per square meter.
Step-by-step explanation:
Given electric charge is dristributed over the disk,
so that the charge density at (x,y) is,
To find total charge on the disk let Q be the total charge and so that,
where A is the surface of disk.
Hence total charge is coulombs per square meter.