Adog is running at 6.98 m/s. his human calls to him and 3.56 seconds later he is running at 6.18 m/s. what is his acceleration during this time?

The equation of movement for this case is given by:

Where,

vf: final speed

a: acceleration

t: time

vo: initial speed

Substituting values we have:

Clearing the acceleration we have:

his acceleration during this time is:

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conduction, convection, radiation