Question

(23) A car accelerates from rest at a constant rate of 3 ms ^-2for some time
Then it retards at constant rate of 6 ms^-2 and comes to rest. If the total time
for which it remains in motion is 3 seconds, the total distance travelled is
a. 3 m
b. 45 m
c. 6 m
d. 9 m
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Answer 1

d . 9m .......................