Answer to Question #97799 in Physics for Mathew

Question #97799

a body moving with a consonant velocity along a straight line PQR takes 30s to go from P to Q and 10s to go from P to R. If PR is 4m find PQ

Expert's answer

We have:

"v_1=v_2\\to \\frac{PQ}{t_1}= \\frac{PR}{T}"

"\\frac{PQ}{30}= \\frac{4}{30+10}"

"PQ=3\\ m"

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