Question

7. The velocity of a car increases from 15 km/h to 33 km/h in 20 s. Find its acceleration.​

Answer 1

Answer:

0.25m/s²=1/4m/s²

Step-by-step explanation:

v=u+at

v=33km/h=33×5/18m/s=55/6m/s

u=15km/h=15×5/18m/s=25/6m/s

t=20s

now

55/6=25/6+a*20

55/6-25/6=20a

30/6=20a

5=20a

a=1/4m/s²

Answer 2

Answer:

0.9 m per secs^2

Step-by-step explanation:

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