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Sarah and Bob depart from the bus stop. Sarah walks north for 10 meters and then...

Sarah and Bob depart from the bus stop. Sarah walks north for 10 meters and then east for another 30 meters. Bob walks south at some unknown constant speed, vB, for ∆t = 10 seconds

Draw a clear coordinate system, and then on it draw Bob’s and Sarah’s paths.

Find and plot the displacement vectors for both Sarah and Bob

Find the speed, vB, (in km/hour) with which Bob would need to walk if Sarah and Bob were to end up 50 meters from each other.

Please show all steps / pictures

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