本题目来源于试卷: Physics Unit3: Kiematics Motion in Two Dimension & Vectors，类别为 国际高中通用物理
[问答题]
Vector A is 5.5 cm lrh-c*, .ytrng qkjv4(ong and points alon+c wq xt;lt,x8g the x axis. Vector B is 7.5 cm long and points at +3, wtlcx+txq; 80e to the negative x axis.
(a) Determine the x and y components of Vector A .
(b) Determine the x and y components of Vector B.
(c) Determine the sum of these two vectors in terms of components.
(d) Determine the sum of these two vectors in terms of magnitude and direction.
参考答案:
(a) $A_x = 5.5 \; cm, A_y = \; 0$
(b) $B_x = -6.5 \; cm, B_y = 3.8 \; cm$
(c) $R_x = -1.0 \; cm, R_y = 3.8 \; cm$
(d) $3.9 \; cm$ at $75^{\circ}$ above -x axis
本题详细解析:
暂无
| 
