Diego runs for 32 seconds at -8.1 meters per second. What is his finish point in meters? (nearest tenth)

Answer 1

8.1(32) = 259.2 meters after 32 seconds at a speed of 8.1 meters per second

that speed is very fast

8.1 m/ sec = 3600(8.1)/3600 = 3600(8.1) meters per hour

= 29160 mph where m= meters, not miles

1609.344 meters in a mile

29160/1609.344 = 18.12 mph (miles per hour)

walking is about 5mph

28 mph is probably the maximum speed for a human

20 mph is very fast, 18 is up there and unlikely you could keep it up for long