Question

4. A car initially at rest starts moving with a
constant acceleration of 0.5 m s-2 and travels a
distance of 25 m. Find : (i) its final velocity and
(ii) the time taken.
​

Answer 1

Answer:

From equation of motion v

2

=u

2

+2aS

v

2

=(0)

2

+2×0.5×25

or v

2

=25

or Final velocity v=

25

=5ms

−1

Answer 2

Answer:

From equation of motion v

2

=u

2

+2aS

v

2

=(0)

2

+2×0.5×25

or v

2

=25

or Final velocity v=

25

=5ms

−1