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23 Nov 2019
1) Two point charges are on the x-axis. One charge, q1 = 10 nC, islocated at the origin, and the othercharge, q2 = 18 nC, is locatedat x = 9.0 m. What is the force on q2?
a) 20 nN in the positive x-direction
b) 20 pN in the positive x-direction
c) 20 nN in the negative x-direction
d) 20 pN in the negative x-direction
e) 180 nN in the positive x-direction
2) A proton is moving in an electric field. the direction of theacceleration of the proton is
a) In the direction the proton is moving
b) opposite the direction the proton is moving
c) perpendicular to the direction the proton is moving
d) in the direction of the electric field
e) opposite the direction of the electric field
3) A thin spherical shell of radius 20 cm has 5.0 μC of chargeuniformly distributed over its surface. What is the electric field10 cm from the center of the sphere a) 4.5 x 10^6 N/C inward b) 4.5 x 10^6 N/C outward c) 2.3 x 10^6 N/C inward d)2.3 x 10^6 N/C outward e)0
1) Two point charges are on the x-axis. One charge, q1 = 10 nC, islocated at the origin, and the othercharge, q2 = 18 nC, is locatedat x = 9.0 m. What is the force on q2?
a) 20 nN in the positive x-direction
b) 20 pN in the positive x-direction
c) 20 nN in the negative x-direction
d) 20 pN in the negative x-direction
e) 180 nN in the positive x-direction
2) A proton is moving in an electric field. the direction of theacceleration of the proton is
a) In the direction the proton is moving
b) opposite the direction the proton is moving
c) perpendicular to the direction the proton is moving
d) in the direction of the electric field
e) opposite the direction of the electric field
3) A thin spherical shell of radius 20 cm has 5.0 μC of chargeuniformly distributed over its surface. What is the electric field10 cm from the center of the sphere
a) 4.5 x 10^6 N/C inward
b) 4.5 x 10^6 N/C outward
c) 2.3 x 10^6 N/C inward
d)2.3 x 10^6 N/C outward
e)0
Elin HesselLv2
15 Jan 2019
