11.184 681 46 mile/hour (mph)
this is the site I used:
http://www.onlineconversion.com/speed_common.htm
Legally Carl Lewis.
A 12.5-second 100m equates to a time of 4.572 seconds in the 40-yard dash.
An average time for a 14-year-old running the 50 meter dash is around 9 seconds. For a 100 meter dash, it would be about 13 seconds.
Usain Bolt took 41 steps to set the new world record of 9.58 seconds
The men's world record in the 400 meter dash is 43.18 seconds. The men's world record in the 400 meter hurdles is 46.78 seconds. This is a difference of 3.60 seconds. The women's world record in the 400 meter dash is 47.60 seconds. The women's world record in the 400 meter hurdles is 52.34 seconds. This is a difference of 4.74 seconds.
A 12 year old's average time for the 100 meter dash, should be about 15 or 16 seconds.
His 5.0 40-meter dash translates to a time of 4.572 seconds in the 40-yard dash.
Approximately 8 seconds
45 seconds.
9.58 seconds in the 100-meter equates to a time of 8.76(8.759952) seconds for 100 yards.
7.2x1.54= 11.08 or 7.2x2= 14.4-3= 11.04
Yes. His personal best in the 100 meter dash is 10.21 seconds and his best in the 200 meter dash is 20.63 seconds. He won gold in the 4x100 meter relay at the European Championships in Budapest in 1998.