What is the speed of the object in the graph? Explain
2 answers:
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The acceleration of the car is given by:
where
vi=16.0 m/s is the initial velocity of the car
vf=6.0 m/s is the final velocity of the car
t=4.0 s is the time interval
Substituting these data into the formula, we can find the car's acceleration:
and the negative sign is due to the fact the car is slowing down, so it is a negative acceleration.