If R = 4.0 kOhm, C = 3.0 mF, ℰ = 15 V, Q = 12 mC, and I = 2.0 mA, what is the potential difference Vb-Va in the circuit segment shown? a.+8 V
b. -19 V
c. -3 V
d. +3 V
e. -8 V

a small object of mass 3.66 g and charge -17.6 µc is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. what are the magnitude and direction of the electric field?

the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada