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Physics
Physics
Problem
A boy runs
200
m
200\,\text{m}
200
m
in
40
s
40\,\text{s}
40
s
. Calculate his speed. a)
0.2
m/s
0.2\,\text{m/s}
0.2
m/s
b)
10
m/s
10\,\text{m/s}
10
m/s
c)
5
m/s
5\,\text{m/s}
5
m/s
d)
2
m/s
2\,\text{m/s}
2
m/s
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