2 answers:
Explanation:

We have to find acceleration first.
- Initial velocity=u=44m/s
- Final velocity=v=22m/s
- Time=11s=t




Using second equation of kinematics




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Answer:
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Answer:
25 sec
Explanation:
F = ma
100 = 50 a
a = 2 m/s^2
vf = vo + at
150 = 100 + 2 t
50 = 2 t
t = 25 sec