Practice question
Question
A particle moves with uniform acceleration along a straight line and describes distances 21m, 43m and 91m at times 2, 4 and 7 seconds,respectively.What is the distance described by the particle in 3 seconds?
Explanation
Here's the idea in simple terms: solving fully: apply relevant formula, put numbers, compute. Result comes as 31 cm. Easy verification shows it satisfies condition.
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