If the vector is added to vector, the result is. If is subtracted from, the result is. What is the magnitude of A-bar?
Answer to relevant QuestionsTwo boys are pulling a box across a horizontal floor as shown in Fig 3.26. If F1 = 50.0 N and F2 = 100N, find the resultant (or sum) force by (a) The graphical method and (b) The component method. Given two vectors, which has a length of 10.0 and makes an angle of 45o below the –x-axis, and which has an x-component of +2.0 and a y-component of +4.0, (a) Sketch the vectors on x– y axes, with all their “tails” ...Referring to the parallelogram in Fig. 3.29, express C-bar, C-bar – B-bar, and (E-bar – D-bar + C-bar) in terms of and B-bar. A flight controller determines that an airplane is 20.0 mi south of him. Half an hour later, the same plane is 35.0 mi northwest of him. (a) The general direction of the airplane’s velocity is (1) east of south, (2) north ...A pitcher throws a fastball horizontally at a speed of 140 km/h toward home plate, 18.4 m away. (a) If the batter’s combined reaction and swing times total 0.350 s, how long can the batter watch the ball after it has left ...
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