Question

A Car traveling at a speed of 30. m/s encounters an emergency and comes to a complete stop. How much time will it take for the car to stop if it decelerates at -4.0 m/s*Squared*??? PLEASE Help me WORK IT OUT AS WELL - FREE MEDAL FOR BEST HELPER @dan815 @jagr2713

Answer 1

acceleration = change in speed / time

Answer 2

its losing -4 m/s every second

Answer 3

you are starting with 30 m/s

Answer 4

how many seconds would it take to go from
30 m/s to 0m/s
this is whats happening every second..
30m/s --> 26m/s ---> 22m/s--->18m/s
-4 -4 -4 ....