1. in an experiment, a positively charged oil droplet weighing 6.5 x 10-15 n is held stationary
by a vertical electric field. if the electric field strength is 5.3 x 103 n/c, what is the charge
on the oil droplet?
a. 1.2 x 10-18 c
b. 3.4 x 10-11c
c
. 4.1. 104c
d. 8.2 x 1017 c

Bernie drove home from a vacation in 1.5 hours. he traveled a total distance of 60 miles. what was his average speed in miles per hour? a. 60 mph b. 90 mph c. 40 mph d. 55mph

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.