Find out the magnitude of the electrostatic force
A 6.9nC charge is located 1.7m from a 3.8nC charge. Find the magnitude of the electrostatic force that one charge exerts on the other and is the force attractive or repulsive? Please show work.
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Phenol, C6H5OH, is a weak organic acid.Suppose 0.515g of the compound is dissolved in exactly 125 mL ofwater. The resulting solution is titrated with 0.123 M of NaOH.
Water flows at a rate of 25 L/min through a horizontal 7.0-centimeter-diameter pipe under a pressure of 6.0 Pa. At one point, calcium deposits reduce the cross-sectional area of the pipe to 30 cm^2. What is the pressure at this point? (Consider th
"Glycemic index" is a popular, though controversial measurementof how quickly glucose is released from starchy foods into the blood during digestion.
You are driving through town at 12 when suddenly a car backs out of a driveway in front of you. You apply the brakes and begin decelerating at 3.3 . (a) How much time does it take to stop?
Specify the approximate sampling distribution of the sample proportion of women who worked last summer, p-hat(w). What is the mean?
Give a 95% confidence interval for the difference in the two proportions. (Be sure to let population 1 correspond to the group with the higher proportion so that the difference will be positive.)
An electron is released from rest in a uniform electric field and accelerates to the north at a rate of 139 m/s^2 What is the magnitude of the electric field? What is the direction of the electric field?
Give a 95% confidence interval for the difference in the proportions. Calculate for [larger] - [smaller]. What is the lower confidence limit for the 95% CI?
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