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Physics · Work, energy and power

PhysicsWork, energy and powerJAMB

A 0.5 kg ball is dropped from a height of 20 m. Find its speed just before it hits the ground. [g = 10 m/s²]

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Answer: B. 20 m/s

v = √(2gh) = √400 = 20 m/s.

An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.

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