# Physics

Man jogs 1.5 m/s.
Dog waits 1.8 s then runs at 3.7 m/s.
How far will they have each travelled when dog catches up to man?
Answer in units of m

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1. distances are the same
distance = time*speed

1.5t = 3.7(t-1.8)
t = 3 sec

check:
1.5*3 = 4.5
3.7*1.2 = 4.44

accurate to within rounding

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