Question

A bus starts down a slope, its speed is 12m/s. But 6 seconds later, at the bottom, its speed is 39 m/s. Whtlat is the average acceleration ?

Answer 1

Answer:

Given :   u=12 m/s                   v=6 m/s                       t=3 s

Using     v=u+at

∴  6=12+a×3                    ⟹a=−2  m/s  

Step-by-step explanation:

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