题目
MUF0121 Physics Unit 1 - Semester 2, 2025 7.5 Momentum
数值题
What is the speed (in km/h) of a car of mass 1172.9 kg if it has momentum of 19124 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
The problem asks for the speed of a car given its momentum and mass, and requests the answer in km/h.
First, recall the relationship between momentum, mass, and velocity: p = m v, which can be rearranged to v = p / m. Here, the ......Login to view full explanation登录即可查看完整答案
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