problems_25(1)

# problems_25(1) - PHY2061 R D Field Chapter 25 Problems...

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R. D. Field Problems Chapter 25 Page 1 of 3 +Q d x +Q q Chapter 25 Problems Problem 1: A +15 microC charge is located 40 cm from a +3.0 microC charge. The magnitude of the electrostatic force on the larger charge and on the smaller charge ( in N ) is, respectively. Problem 2: Two point particles have charges q 1 and q 2 and are separated by a distance d . Particle q 2 experiences an electrostatic force of 12 milliN due to particle q 1 . If the charges of both particles are doubled and if the distance between them is doubled , what is the magnitude of the electrostatic force between them ( in milliN )? Problem 3: Two identical point charges +Q are located on the y-axis at y=+d/2 and y=-d/2 , as shown in the Figure . A third charge q is placed on the x- axis. At what distance from the origin is the net force on q a maximum ? Problem 4: Two 2.0 gram balls hang from lightweight insulating threads 50 cm long from a common support point as shown in the Figure. When equal charges Q are place on

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problems_25(1) - PHY2061 R D Field Chapter 25 Problems...

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