You are given miles= 50 miles, time = 1 hour initial given velocity= 0 miles/hour (your standing still) and final velocity = 50 miles/hour. you travel a total of 100 miles. how long did it take you (time)?

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.