A 2.0 cm tall object is placed 80 cm in front of a mirror, which has a radius of curvature of +100 cm. Determine the magnification of the image formed?
Select one:
a. - 1.67
b. - 3.33
O c. + 5.0
d. + 1.02
Clear my choice

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe

The amount of work done is determined by 2 factors. describe an example of work (using the scientific definition) list the 2 factors that determine the amount of work done.