[題目] 普物一題

[ggyy940 (~別罵我ID~)]

[領域]

Center of mass and momentum


[來源]

原文書

[題目]

1.

A 1400kg car moving at 5.3m/s is initially traveling north along the positive

diretion of a y axis.After completing a 90度 right-hand turn in 4.6s,

the inattentive operator drives into a tree,which stops the car in 350ms.

In unit-vector notation,what is the impulse on the car(a)due to the turn and

(b)due to the collision? What is the magnitude of the averge force that acts

on the car (c)during the turn and(d)during the collision?(e)What is the

direction of the average force during the turn?



[瓶頸]


題目看不太懂它是要求什麼

麻煩物理高手幫忙一下

感謝!!~

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→ MOONRAKER:(a)轉彎的衝量(b)撞樹的衝量(c)轉彎中平均力
→ MOONRAKER:(d)撞樹中平均力(e)轉彎中平均力方向。須用單位向量表示