Question

if a girl is running along a straight road with a uniform velocity 1.5 m\s, find her acceleration. (numerical problem)

Answer 1

Answer:

0m/s²

Explanation:

Acceleration is equal to the change in velocity over a period of time. Here, the change in acceleration is equal to the final velocity - the initial vlocity.

Final velocity (v)= 1.5m/s

Initial velocity (u)= 1.5m/s

Therefore the change in velocity in time = (v-u)/t

                                                                   = (1.5 - 1.5)/t

                                                                    = 0/t

                                                                  a   = 0m/s²

∴The Acceleration the grl is 0.

Answer 2

Answer:

acceleration = change in velocity / time  

since the velocity is constant  

change in velocity is 0  

therefore,  

a = 0/t  

a = 0  

so the acceleration is zero

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