you do 168J of work on a 67N box while carrying it up a flight of stairs. If there are 16 steps in the flight of stairs, how high is each step ?

Select the correct answer. anna will wear a black dress when she attends het cousin's wedding. which color(s) does the dress absorb? a. all colors b. no colors c. red and green d. white

Let v1, v2, w be three linearly independent vectors in r 3 . that is, they do not all lie on the same plane. for each of the following (infinite) set of vectors, carefully sketch it in r 3 , and determine whether or not it is a vector space (i.e., a subspace of r 3 ). explain your reasoning

Which transition by an electron will release the greatest amount of energy? oa ob oc od