The wheel of railway carriage is 5 feet in diameter and makes 7 revolutions in a second…
Physics · NEET · NTA Exams — Kinematics
The wheel of railway carriage is 5 feet in diameter and makes 7 revolutions in a second; how fast is the train going?
- \(70 \pi \mathrm{ft} / \mathrm{sec}\)
- \(65 \pi \mathrm{ft} / \mathrm{sec}\)
- \(45 \pi \mathrm{ft} / \mathrm{sec}\)
- \(35 \pi \mathrm{ft} / \mathrm{sec}\)
Answer
(D) 35 ft / sec
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