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A Rectangle with sides 100m and 50m. Person B and Person A start walking in the...

A Rectangle with sides 100m and 50m. Person B and Person A start walking in the opposite direction at the same point with velocities 5m/s and 4m/s respectively. Person A starts walking 3 seconds after person B. How long would it take for them to meet on the other side of Rectangle?

Please answer this with detailed steps. Thanks

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Answer #1

Hey there I tried to explain if still you have doubts please ask in comments

Summary is that they both have to combining travel perimeter or 300 m.

Thus I used relative velocity concept here ...

100 Perimeter =300 50 50 100 4 to cover They hare 100 +50) 22 2 300 m -OK Now for relative velocity 1st 3 seca im for t seconds after tz3 = 21+5=9m s & ; 2232 124 9 t = 300 time taken = (32+3) = 135 sea

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