You look at yourself in a shiny 8.8-cm-diameter christmas tree ball. part a
if your face is 29.0 cm away from the ball's front surface, where is your image? follow the sign conventions.
part b
is it real or virtual?
part c
is it upright or inverted?

The density of a liquid could be found by using

Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)

Which governments provide garbage collection services to homes and businesses