Question

The head of a rattlesnake can accelerate at 50 m/s^2 in striking a victim. If a car could do as well, how long would it take to reach a speed of 100 km/h from rest?

Answer 1

0.555 s

Explanation:

100 km/h = 100 x 1000 m/3600 s = 27 m/s
`v= a xx t`
`t= v/a= (27.8 m/s )/(50 m/s^2) =0.555s`