Answered

The break of a car can produce an acceleration of -6m/s2
-how long. Does it take the car to come to a stop from a velocity of 30m/s

Sagot :

Daedalusid
[tex]V_{f} = V_{o} + at \\ 0 = 30 + (-6)t \\ -30 = -6t \\ 5 = t[/tex]

it would take the car 5 seconds :)