Question

Starting from rest , Leena paddels her bicycle to attain a velocity of 6m/s in 30 seconds. Then she applies brakes so that the velocity of the bicycle comes down to 4m/s in the next 5 seconds. Calculate the acceleration of the bicycle in both the cases.

Answer 1

Did my best to answer this!

Answer 2

acceleration in both cases are:-
0.2 m/s^2 and -0.4 m/s^2