## anonymous 4 years ago a car travelling at 7.0m/s acceleraes uniformly at 2.5 m/s square to reach a speed off 12.0 m/s. how long does it takes for this accelerataion to occur

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1. anonymous

2.5 seconds.

2. anonymous
3. anonymous

Soooo

4. PaxPolaris

$\Large a={v-u \over t}$ u= initial velocity ... v= final velocity $\Large \implies t= {v-u \over a}$