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tigry1 [53]
3 years ago
6

A distance-time graph indicates that an object travels 2 m in 2 s and then travels another 80 m during the next 40 s. What is th

e average speed of the object?
Physics
1 answer:
kumpel [21]3 years ago
3 0
The average speed of the object is given by the ratio between the total distance covered and the total time needed for the motion:
v= \frac{S}{t}

The total distance covered is:
S=2m + 80 m = 82 m
while the total time of the motion is
t=2s+40 s=42 s

Therefore, the average speed of the object is
v= \frac{S}{t}=  \frac{82 m}{42 m}=1.95 m/s
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