Singapore GCE A-Level H1 Physics Practice Questions - Singapore GCE A-Level H1 Physics Examination (SEAB Syllabus 8867) Exam

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The kinetic energy of an object is given by E_k = 0.5 m v^2. If mass m is measured with a percentage uncertainty of 2.5% and speed v with a percentage uncertainty of 2.0%, what is the percentage uncertainty in E_k?

6.5% 4.5% 9.0% 2.5%

Correct Answer:

6.5%

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