SHOW YOUR COMPLETE SOLUTION AND WRITE YOUR SOLUTION ON A PAPER. Multiple Choice (2 pts each). Write the CAPITAL LETTER of the correct answer. Show your solution for items involving problem solving. Ignore air resistance and assume acceleration due to gravity on the surface of the earth is 9.8 m/s2.For Problems 9-10, An ant moves from position r, = 61 + 7k at t=1 s to r2 = 61 - 5j + 7k at t=2 s. 9. What is the ant's displacement vector for the time interval [1s,2s] a. 61 + 7k b. 61 - 5j + 7k C. -5j d. +5j e. Cannot be determined10. What is the ant's average velocity at the x-axis for the time interval [15.2 s] a. 6 m f s b. '3' mfs c. -5 m f s d. Zero e. Cannot be determined 11.Will it be possible to have a non-zero average velocity and zero displacement? Is it possible to have a zero average velocity but non-zero displacement? a. Yes. No. b. No. Yes. (I. Yes. Yes. d. No. No. e. Cannot be determined from the given information 12.Which of the following explains a negative acceleration in the x-axis? Slowing down at the negative xaxis Speeding up at the positive x-axis Both A and B None of the above P'PP'P