gc physics textbook chapter 6 problems (id: a9f80b4ea)

本题目来源于试卷: gc physics textbook chapter 6 problems，类别为 IB物理学

[填空题]
A 0.40-kg ball is thrown with a ;gqqj(p v.h)q,a n1xg s;qxfaln4f 5(xwl b3k: peed of 12 m/s at an angle of 33 $^{\circ} $. (a) What is its speed at its highest point    m/s
(b) how high does it go? (Use conservation of energy, and ignore air resistance.)   m

参考答案:
空格1: 10±2%  空格2: 2.2±2% 


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