A particle moves in a straight line so that it covers a distance S=at^3+bt+5 meter in t second. If it's acceleration after 4 seconds is 48m/s^2,then a is equal to

A particle moves in a straight line so that it covers a distance S=at^

1.	A particle moves in a straight line so that it covers a distance S=at^3+bt+5 meter in t second. If it's acceleration after 4 seconds is 48m/s^2,then a is equal to
Answer» This is the explanation and answer. we have DIFFERENTIATE on both sides with RESPECT to t in FIRST two STEPS.

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A particle moves in a straight line so that it covers a distance S=at^3+bt+5 meter in t second. If it's acceleration after 4 seconds is 48m/s^2,then a is equal to

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