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Physics
Physics
Problem
Car P travels east along a straight road at a constant speed of
30
m
s
−
1
30\,\text{m\,s}^{-1}
30
m
s
−
1
. Car Q is
200
m
200\,\text{m}
200
m
ahead of car P on the same road and travels east at
22
m
s
−
1
22\,\text{m\,s}^{-1}
22
m
s
−
1
. How much time after the instant described will car P overtake car Q? a)
28
s
28\,\text{s}
28
s
b)
9.1
s
9.1\,\text{s}
9.1
s
c)
25
s
25\,\text{s}
25
s
d)
16.7
s
16.7\,\text{s}
16.7
s
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