A scooter accquires a velocity of 90 km/h in 10s just after the sttarts it takes 10sec to stop .find accleration in both cases
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Geometrically the square root of 2 is the length of a diagonal across a square with sides of one unit of length; this follows the Pythagorean theorem. It was probably the first number known to be irrational.[citation needed]
As a good rational approximation for the square root of two, with a reasonably small denominator, the fraction 99/70 (≈ 1.4142857) is sometimes used.
The sequence A002193 in the OEIS consists of the digits in the decimal expansion of the square root of 2, here truncated to 65 decimal places:
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v=25m/sec
the magnitude of acceleration and deacceleration is equal and is equal to
v/t
t=10sec
|a|= 2.5m/sq sec
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