本题目来源于试卷: Test Homework Demo，类别为 unclassified
本题为动态变量类型，下面题目描述与解答中出现的数值不同于您在作答时遇到的数值！
[单选题]
A projectile is launchehr9r msg69q e(d with an init r9a8nlo26cim ial velocity of $60.0 \; m/s$ at an angle of $30.0^{\circ}$ above the horizontal. How far does it travel?
A. $143.2 \; m$
B. $190.9 \; m$
C. $238.6 \; m$
D. $318.1 \; m$
E. $381.8 \; m$
参考答案: D
本题详细解析:
If the initial velocit;vx 7 xm)npig0y is $x$ and the launching angle is $y$, the formula to calculate it is $x^2*sin(2*y/180*pi)/9.8$
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Post time 2025-3-14 11:06:26