Physics Unit2: Kinematics One Dimensional Motion (id: 1cfc0e728)

本题目来源于试卷: Physics Unit2: Kinematics One Dimensional Motion，类别为 通用国际物理

[填空题]
A ball is thrown straight up wlptin;57qy a;ith a speed of 30 m/s. (oj7f31 .s jnlm+rj8cnd nly fill in numerical value in td .8fc1l j3+sjm7j nnrhe blanks)
(a.) How long does it take the ball to reach the maximum height?    $s$
(b.) What is the maximum height reached by the ball?    $m$
(c.) What is its speed after 4.2 s?    $m/s$

参考答案:
空格1: 3.1±5%  空格2: 46±5%  空格3: 11±5% 


本题详细解析: 暂无

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