A small object is connectedto alightweight cord oflength L=1.80 mthat is tied to a point P, as shown in thefigure. The object, string, and point all lieon a frictionless, horizontaltable. Thev = 0Lobject has a mass m=0.0100 kg, a chargeq=+1.60 µC and is released from restwhen the string makes an angle 0 = 70.0°with a unifom electric field of magnitudeТоp viewE= 260 V/m.a) Calculate the work done by the gravitational force, the nomal force and thetension in theropeb) Calculate the change in the electric potential between the initial and startingpositionsc) Use “Energy methods for a non-isolated system to detemine the speed (inm/s) of the object when the string is parallel to the electric field.

Given that: m=0.01 kgq=1.60 μC=1.60×10-6CL=1.80 mθ=70.0°E=260 V/m

A small object is connected to a lightweight cord of length L=1.80 m that is tied to a point P, as shown in the figure. The object, string, and point all lie on a frictionless, horizontal table. The object has a mass m=0.0100 kg, a charge q=+1.60 µC and is released from rest when the string makes an angle 0 = 70.0° with a unifomm electric field of magnitude E= 260 V/m.

A small object is connected to a lightweight cord of length L=1.80 m that is tied to a point P, as shown in the figure. The object, string, and point all lie on a frictionless, horizontal table. The object has a mass m=0.0100 kg, a charge q=+1.60 µC and is released from rest when the string makes an angle 0 = 70.0° with a unifomm electric field of magnitude E= 260 V/m.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter5: Electric Charges And Fields

Section: Chapter Questions

Problem 66P: On a typical clear day, the atmospheric electric field points downward and has a magnitude of...

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