Q.

If a body starts from rest and travels 120 cm in the 6th second then what is the acceleration ?

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a

0.109 m/s2

b

0.056 m/s2

c

0.218 m/s2

d

0.526 m/s2

answer is B.

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Detailed Solution

sn= u + a2(2n-1) 120100=0+a2(12-1) a = 6×25×11 a = 0.218 m/s2

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If a body starts from rest and travels 120 cm in the 6th second then what is the acceleration ?