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Physics
Problem
A car increases its speed from
10
m
/
s
10 \mathrm{~m} / \mathrm{s}
10
m
/
s
to
30
m
/
s
30 \mathrm{~m} / \mathrm{s}
30
m
/
s
in 8 s . Another car decreases its speed from
30
m
/
s
30 \mathrm{~m} / \mathrm{s}
30
m
/
s
to
10
m
/
s
10 \mathrm{~m} / \mathrm{s}
10
m
/
s
in the same duration and on the same line. Which car travels a larger distance in 8 s? Explain why.
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