Test Homework Demo (id: bd27d7b3a)

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本题目来源于试卷: Test Homework Demo，类别为 unclassified

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[单选题]
A projectile is launched wit1 u.8rb-so3qn8piyr dh an initiaq1d uw aldy 9.b,gg.v7l 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 veloci+qm :4ospovayjh09l6 ou3n +c ty is $x$ and the launching angle is $y$, the formula to calculate it is $x^2*sin(2*y/180*pi)/9.8$