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QUESTION
You tell your dog to wait while you run away in a straight line. You run at 4 m/sec. away from him. After 12 seconds you tell your dog to run to you,...
You tell your dog to wait while you run away in a straight line. You run at 4 m/sec. away from him. After 12 seconds you tell your dog to run to you, while you keep running. If your dog runs at 7 m/sec, when and where does he catch up with you?
