Hi! Answer each question by showing your work. Thansk

Question 1 [4 points} lCan the following operations be performed? Explain your reasoning and state whether the result will he a vector, scalar or meaningless: Question 2 (16 points) If u = (2,4,-4), v=-j -2k, w=i -3k, determine: a) u . V b) wxvQuestion 3 (5 points) A child pulls a sled with a Force of 50 N at angle of 30" to the horizontal. If they did 150 J of work, what is the distance travelled by the sled