7. My favorite roller coaster boasts speeds in excess of 90 miles per hour (about 40 m/s). Ignoring frictional energy lo
Posted: Tue May 17, 2022 8:25 pm
7. My favorite roller coaster boasts speeds in excess of 90 miles per hour (about 40 m/s). Ignoring frictional energy loss, how tall would the first hill need to be to reach a speed of 40 m/s at the bottom?