PhysicsWork, energy and powerJAMB
A car of mass 1000 kg speeds up from 10 m/s to 20 m/s. Find the work done on it.
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Answer: A. 1.5 × 10⁵ J
Work = change in KE = ½ × 1000 × (20² − 10²) = 500 × 300 = 150 000 J.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.