Question

initial velocity u=25km/h... Final velocity v=70km/h... Time t=5sec... Find acceleration.​

Answer 1

Answer:

u=25km/hr=6.94m/s

v=70km/hr=19.4m/s

t=5s

Explanation:

Using

acceleration(a)= (v-u) / t

                         =19.4-6.9/5

                          =1.25/5

                           a  =2.5m/s^2

hope this helps you :)

Answer 2

$\huge{\star}{\underline{\boxed{\sf{Answer :}}}}{\star}$

Given :-

Initial velocity (u) = 25 km/h = 6.94 m/s

final velocity (v) = 70 km/h = 19.4 m/s

Time (t) = 5 sec

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To Find :-

acceleration (a)

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Solution :-

We have formula ,

$\Huge{\boxed{\boxed{\sf{a \; = \; \frac{v \; - \; u}{t}}}}}$

________[Put Values]

⇲  a = 19.4 - 6.94/5

⇲ a = 12.46/5

⇲ a = 2.492

$\Huge{\boxed{\boxed{\sf{a \; = \; 2.5 \; ms^{-2}}}}}$