Mastering Physics Solutions: Suspending Charged Particles Using Electric Fields

Mastering Physics Solutions: Suspending Charged Particles Using Electric Fields

On February 10, 2014, in Chapter 15: Electric Charge, Forces, and Fields, by Mastering Physics Solutions

Part A = -2.13 * 10^-5 C Click to use the calculator/solver for this part of the problem
Part B = E = 1.02 * 10^-7

What must the charge (sign and magnitude) of a particle of mass 1.43 g be for it to remain stationary when placed in a downward-directed electric field of magnitude 660 N/C?
What is the magnitude of an electric field in which the electric force on a proton is equal in magnitude to its weight?

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Mastering Physics Solutions: Electrostatic Force of Water on a Chlorine Ion

Mastering Physics Solutions: Electrostatic Force of Water on a Chlorine Ion

On September 15, 2013, in Chapter 15: Electric Charge, Forces, and Fields, by Mastering Physics Solutions

Part A = 6.58 * 10^-13 N
Part B = negative x
Part C = attractive

Find the magnitude of the electric force, ignoring the sign, that the water molecule exerts on the chlorine ion.
What is the direction of the electric force?
Is this force attractive or repulsive?

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Mastering Physics Solutions: Operation of an Inkjet Printer

Mastering Physics Solutions: Operation of an Inkjet Printer

On September 14, 2013, in Chapter 15: Electric Charge, Forces, and Fields, by Mastering Physics Solutions

Part A = 3.08*10^-14

If a drop is to be deflected a distance d = 0.320 mm by the time it reaches the end of the deflection plate, what magnitude of charge q must be given to the drop?

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Mastering Physics Solutions: Problem 26.67

Mastering Physics Solutions: Problem 26.67

On March 5, 2013, in Chapter 15: Electric Charge, Forces, and Fields, by Mastering Physics Solutions

Part A = 180 nC m Click to use the calculator/solver for this part of the problem

An electric field E = 100,000i N/C causes the 5.0 g point charge in the figure to hang at a 20° angle.
What is the charge on the ball?

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Mastering Physics Solutions: Stopping the Proton

Mastering Physics Solutions: Stopping the Proton

On February 24, 2013, in Chapter 15: Electric Charge, Forces, and Fields, by Mastering Physics Solutions

Part A = 0.180 m Click to use the calculator/solver for this part of the problem

An infinitely long line of charge has a linear charge density of 8.00*10^−12 C/m. A proton is at distance 19.0 cm from the line and is moving directly toward the line with speed 1200 m/s.
How close does the proton get to the line of charge?

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