Question

Asafa Powell beat the world record for the 100 m sprint by finishing in 9.77 seconds. How fast was he running?

a) 10.23 m/s
b) 9.77 m/s
c) 10.00 m/s
d) 9.54 m/s

Answer 1

Asafa Powell's average speed when he set the world record for the 100m sprint in 9.77 seconds was approximately 10.23 m/s. Hence, the correct answer is 10.23 m/s.

Step-by-step explanation:

The question asks how fast Asafa Powell was running when he beat the world record for the 100m sprint with a time of 9.77 seconds. To find his average speed, we use the formula: speed = distance ÷ time. Plugging in the values, we get an average speed of 100 meters ÷ 9.77 seconds, which calculates to approximately 10.23 m/s. Therefore, the correct answer is a) 10.23 m/s.