please answer the questions below. no explanation is needed. will rate helpful

Question 4 Listen Let u = [2, 2, lland t, 3, Find the scalar projection of u on v : 25 17 \ Question 5 (1 point) Listen A force in Newtons represented by the vector [4.7, II results in a displacement, in metres, represented by the vector [5, 3, 8]. The work done, in Joules, is C) a) 54 C) b) 49 O c) 39 C) d) 44 Question 6 (1 point) Listen An airplane is heading north with a constant velocity of 450 km/h. The plane encounters a west wind blowing at 100 km/h. How far will the plane travel in 3 hours? C) 350 km 0 1350 km 0 300 km 0 1383 km