A runner runs the 100-m dash in 12 s. What was the runner’s average speed?

1 ⤊

2007-03-18 09:46:41 · 3 answers · asked by medea 1 in Science & Mathematics ➔ Physics

x = vt
100m = v(12s)
v = 8.33m/s

2007-03-18 09:52:19 · answer #1 · answered by 7 · 1⤊ 0⤋

100m in 12s is 500m or 0.5 km in 1 min. = 30kph or 18.64 mph.

Live long and prosper.

2007-03-18 09:50:33 · answer #2 · answered by Dr Spock 6 · 0⤊ 0⤋

velocity = distance/time

2007-03-18 09:51:09 · answer #3 · answered by S1LK 3 · 0⤊ 0⤋