Two pieces of puffed rice become equally charged as they are poured out of the box and into Kirk's cereal. If the force between the puffed rice pieces is a repulsive one and has a magnitude of 4x10" N when the p are 0.03 m apart, what is the magnitude of the charge on each piece?

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

How can you tell when x and y are not directly proportional?