Starting from stationary position, adam paddles his bicycle to attain velocity of 6m/s then he applies break such that the velocity comes down to 4m/s in 5sec

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Answer 1

Oops, you forgot to ask a question :/

 

Let's calculate how far he travels as he decelerates.

 

Average speed = (4+6)/2 = 5 m/s

 

distance = (average speed)x(time) = 5x5 = 25 m