Question

If a scooterist moves with uniform acceleration of 2m\s² for 5s . Find his final velocity if his present velocity is 18km\h.

Answer 1

u=18*5/18=5m/s
a=2m/s²
t=5s

v=u+at
v=18+2(5)
v=18+10
v=28m/s



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Answer 2

Answer:

Explanation:

Given :-

Initial Speed, u = 18 km/h = 5 m/s

Acceleration, a = 2 m/s²

Time taken,t = 5 sec

To Find :-

Final Speed

Formula to be used :-

1st equation of motion

v = u + at

Solution :-

Putting all the values, we get

v = u + at

v = 5 +2×5  

v = 15 m/s

Hence, The Final speed is 15 m/s.