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A bicycle increase its velocity from 10km/h to 15km/h in 6sec . Calculate its acceleratetion?

Posted by Sweta Soreng 4 years ago

CBSE > Class 09 > Science

1 answers

Devesh Godara 4 years ago

Initial velocity = u = 10 km /hr = 10 x 5 /18 = 2.77777 = 2.8 m /s Final velocity = v = 15 km / hr = 15 x 5 / 18 = 4.16 m /s [ approx .] Time = t = 6 sec a = acceleration Equation of motion : v = u + at 4.16 = 2.8 + 6a 6a + 2.8 = 4.16 6a = 4.16 - 2.8 6a = 1.36 a = 1.36 / 6 a = 0.22 m /s²

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