MEC
two charges repel each other with a force of 0.1N when they are 5cm apart. Find the forces between the same charges when they are 2cm and 8cm apart.
math
72-25
Physics
The forace exerted by the air The problem does not state units, this assuming the weight is Kg and acceration is m/s2 g = 9.8 a = .9 from Netwon law sum of force= ma helicopter weight + frame weight X g + frame weight X a= force exerted by air Force =(7900+1100) x 9.8 + (1100 ...
English
I have to write an essay showing the advantages to online shopping than store shopping. Is an essay doubled spaced?
College Physics
If Wire A has a poterntial difference of 50V across it and carries a current of 2A. Wire B has a potential difference of 100V across it and also carries a current of 2A. Compare the resistances, rate of flow of charge, and rate of flow of energy in the two wires?
physics ..PLEASE HELP ASSIGN DUE SOON :(
Three charges, q1=+45.9nC q2=+45.9nC and q3=+91.8nC are fixed at the corners of an equilateral triangle with a side length of 3.70cm. Find the magnitude of the electric force on q3.
Math Grade 5
Mr. Jacob is 55 years old and Tony is 7 years old. In how many years will Mr. Jacob be 4 times as old as Tony? Please help me solve this.
Physics HELP!!
Three point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an equilateral triangle. The magnitude of each of the charges is 3.66 μC, and the lengths of the sides of a triangle are 2.15 cm. Calculate the magnit...
Statistics
Assume that the average annual salary for a worker in the United States is 300,000- and that the annual salaries For Americans are normally distributed with a standard deviation equal to $7,000. Find the following: A. What percentage of Americans earn below $22,000? B. What pe...
science
Explain how to measure the volume of a rock by water displacement?
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