What will be the velocity of object thrown upwards with 40 ms^(-1) aft

1.	What will be the velocity of object thrown upwards with 40 ms^(-1) after 2 s?
Answer» 15 20 25 28 Solution :`{:(V = v _(0) + at), ( v = 40 + (-10) (2)), ( therefore v = 20MS ^(-1)):}// {:(v _(0) = 40 ms ^(-1)), ( a =- g =- 10 ms ^(-2)) , ( t = 2s ):}`

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