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A Proton Is Located at the Point (x=1.0 nm,y=0.0 nm)( x = 1.0 \mathrm {~nm} , y = 0.0 \mathrm {~nm} )

Question 44

Multiple Choice

A proton is located at the point (x=1.0 nm,y=0.0 nm) ( x = 1.0 \mathrm {~nm} , y = 0.0 \mathrm {~nm} ) and an electron is located at the point (x=0.0 nm,y=4.0 nm) ( x = 0.0 \mathrm {~nm} , y = 4.0 \mathrm {~nm} ) . Find the magnitude of the electrostatic force that each one exerts on the other. (k=1/4πε0=9.0×109 Nm2/C2,e=1.6×1019C) \left( k = 1 / 4 \pi \varepsilon _ { 0 } = 9.0 \times 10 ^ { 9 } \mathrm {~N} \cdot \mathrm { m } ^ { 2 } / \mathrm { C } ^ { 2 } , e = 1.6 \times 10 ^ { - 19 } \mathrm { C } \right)


A) 5.9×1015 N5.9 \times 10 ^ { - 15 } \mathrm {~N}
B) 5.3×108 N5.3 \times 10 ^ { 8 } \mathrm {~N}
C) 1.4×1011 N1.4 \times 10 ^ { - 11 } \mathrm {~N}
D) 5.3×1018 N5.3 \times 10 ^ { - 18 } \mathrm {~N}

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