6. Three vectors are: a = -9]
Work out the following:
a) a +b b) a + c c) b-c d) a - Ċ e) a + b + c
What does the answer to part e) mean?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

This is the number of complete movements of a wave per second.

Which of the following is a direct benefit of the use of assembly lines in production a. laws against theft fraud and coercion are needed to protect free choice. b. the government needs to plan efficient outcomes. c. competition among producers by itself cannot ensure a wide range of consumer choices. d. works pressure the government to guarantee minimum wages