Answer:
(i)
Consider a body which starts with initial velocity u and due to uniform
acceleration a, its final velocity becomes after time t. Then, its average velocity
is given by
Average velocity
(1)
The distance covered by the
body in time t is given by
Distance, s = average velocity X time
or
or
(ii) We know that, .....(i)
Also,
Substituting the value of ? in Eq. (i), we have
or
or
or
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