Question

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class 9th physics question
page number 109​

Answer 1

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Given-: acceleration a = - 6ms²

time t = 2 s

find velocity = 0m/s

v = u + at

0 = u - 6 × 2

u = 12m/s ²

s = ut + 1/ 2 at²

s = 12×2 + 1/2 ×(-6) ×4

s = 12 cm

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