A car is moving 15 miles north and then 10 miles east, what is the displacement of the car?

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You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. naturally, you remove it to a safer place. but before you do, you observe it as it moves from position xi = -92.9 cm to position xf = -64.9 cm along the rail, as measured from a point where one rail abuts the next. what is the snail\'s displacement δx in centimeters?

According to the tide table below what time of day will the highest tide occur?