Science, asked by theunknowndevil000, 1 month ago

which one is the ans....

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Answers

Answered by jagjeetsingh20007

2

Answer:

b is correct

Explanation:

v=u+at

u=10m/s

v=0

t=20s

0=10+a×20

-10=20a

-10÷20=a

-0.5=a

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