Substitute for f from part b in the expression for work from part c. then substitute for a from the relation in part a. this will yield an expression for the net work w done on the particle by the external forces during the particle's motion in terms of mass and the initial and final velocities. give an expression for the work w in terms of those quantities. express your answer in terms of m, vi, and vf.

Which of the following represents an upside-down image? o a. +doo b. -doo c. +mo d.-m

3. on your graph, the data points between the black squares are data for elements with atomic numbers 3 through 9. locate these elements on your periodic table. what term or description would you use to identify these elements with respect to the periodic table?

Aswimmer is determined to cross a river that flows due south with a strong current. initially, the swimmer is on the west bank desiring to reach a camp directly across the river on the opposite bank. in which direction shoud the swimmer head? a. the swimmer should swim southeast. b. the swimmer should swim south. c. the swimmer shuold swim northeast. d. the swimmer should swim due north. e. the swimmer should swim due east.