You need to solve each of these problems. Which expression will you use to get the correct answer? 1: A car travelling at 20 m/s puts on its brakes and decelerates by 5 m/s² for 3 s. What distance did it move in this time? ____ 2: It takes a car ten seconds to speed up from 20 m/s to 30 m/s. How far did it move in this time? ____ 3: A jet plane reached a speed of 300 m/s after accelerating at 15 m/s² using its afterburners for 2.7 seconds. How far did it go in this time? ____匹配题