A classical mechanics problem by Bhavya Agrawal

two balls are dropped from same height at 1 second interval of time. The separation between the two balls after 3 seconds of the drop of the 1st ball is


The answer is 25.

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1 solution

Sachin Mittal
Jul 28, 2014

applying formula, s=ut+0.5 * a * t ^ 2 for 1st ball s=0.5 * 10 * 9=45 for 2nd ball s=0.5 * 10 * 4=20 hence separation is of 25m

It's harder if you use a=9.81 not 10 :(

David Baker - 6 years, 10 months ago

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indeed..but answer is not specified in decimal form

sachin mittal - 6 years, 9 months ago

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