Question

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Answer 1

Answer:

1. Option 3=3m/s

Step-by-step explanation:

2. Option 4=12m

Answer 2

answer :-

20) 2 m/s

21).

:- s = 2t + 4t² ( t = 3 )

:- 2 ×3 + 4×3×3

:- 6 + 36

:- 42 m

42 m is your answer,

so, options 3 is correct

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