Author Question: A particle with a charge of 4.0 C has a mass of 5.0 10-3 kg. What electric field directed upward ... (Read 43 times)

crazycityslicker · **on:** Jul 29, 2018

A particle with a charge of 4.0 C has a mass of 5.0 10-3 kg. What electric field directed upward will exactly balance the weight of the particle?

A) 4.1 102 N/C
B) 8.2 102 N/C
C) 4.4 104 N/C
D) 1.2 104 N/C
E) 5.1 106 N/C

Question 2

A 5.0 C charge is placed at the 0 cm mark of a meter stick and a -4.0 C charge is placed at the 50 cm mark. At what point on a line joining the two charges is the electric field zero?

A) 1.4 m from the 0 cm mark
B) 2.5 m from the 0 cm mark
C) 2.9 m from the 0 cm mark
D) 3.3 m from the 0 cm mark
E) 4.7 m from the 0 cm mark