题目
MUF0121 Physics Unit 1 - Semester 2, 2025 7.5 Momentum
数值题
What is the speed (in km/h) of a table tennis ball of mass 2.9 g if it has momentum of 0.08 kg ms-1? Give your answer to the nearest whole number.
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标准答案
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思路分析
To find the speed of the table tennis ball, use the relation momentum p = m v, where p is momentum, m is mass, and v is velocity.
Step 1: Convert mass to kilograms. The given......Login to view full explanation登录即可查看完整答案
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