Question

Problem 3: A particle having charge q = 5 [$\mu$C] and mass m = 0.05 [kg] is connected to a string that is L = 2.5 [m] long and tied to the pivot point P as shown in the figure below. The particle, string, and pivot point all lie on a frictionless, horizontal table. The particle is released from rest when the string makes an angle $\theta$ = 75$^\circ$ with a uniform electric field of magnitude E = 200 [V/m]. Determine the speed of the particle when the string is parallel to the electric field.

          Problem 3:
A particle having charge q = 5 [$\mu$C] and mass m = 0.05 [kg] is connected to a string that is
L = 2.5 [m] long and tied to the pivot point P as shown in the figure below. The particle, string,
and pivot point all lie on a frictionless, horizontal table. The particle is released from rest when
the string makes an angle $\theta$ = 75$^\circ$ with a uniform electric field of magnitude E = 200 [V/m].
Determine the speed of the particle when the string is parallel to the electric field.

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Problem 3:
A particle having charge q = 5 [μC] and mass m = 0.05 [kg] is connected to a string that is
L = 2.5 [m] long and tied to the pivot point P as shown in the figure below. The particle, string,
and pivot point all lie on a frictionless, horizontal table. The particle is released from rest when
the string makes an angle θ = 75^∘ with a uniform electric field of magnitude E = 200 [V/m].
Determine the speed of the particle when the string is parallel to the electric field.

Added by Francisca C.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Keshav Singh

12/14/2020

Step 1

The electric force on a charged particle in an electric field is given by the equation F = qE, where F is the force, q is the charge, and E is the electric field. Given: q = 5 [uC] = 5 x 10^-6 [C] (since 1 [uC] = 10^-6 [C]) E = 200 [V/m] Using the equation F = Show more…

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Problem 3: A particle having charge q = 5 [uC] and mass m = 0.05 [kg] is connected to a string that is L=2.5 [m] long and tied to the pivot point P as shown in the figure below. The particle, string, and pivot point all lie on a frictionless, horizontal table. The particle is released from rest when the string makes an angle 0 = 75° with a uniform electric field of magnitude E = 200 [V/m]. Determine the speed of the particle when the string is parallel to the electric field. p v=0 L 2009 0 of Top view E Problem3: A particle having charge q=5[uC] and mass m=0.05[kg] is connected to a string that is L=2.5 [m] long and tied to the pivot point P as shown in the figure below.The particle,string and pivot point all lie on a frictionless,horizontal table.The particle is released from rest when the string makes an angle =75with a uniform electric field of magnitude E=200[V/m]. Determine the speed of the particle when the string is parallel to the electric ficld. v=0q E Topview

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