Question

6. A car moving with a speed of 20 ms- takes a
in 5 seconds, without changing its speed. Then the
average acceleration during these 5 seconds will be
(a) 8 ms-2
(b) - 8 ms?
(c) 4 ms-2
(d) zero​

Answer 1

Answer:

d. zero

Explanation:

a=dv/dt=20-20/5 =0 ,m/s2