Question

A car travelling along a straight level road at 20m.s^-1 brakes at 1.6m.s^-2 when it is 140 m away from a stop street. What is the greatest possible distance from the stop street that the car will come to a rest?

Does anyone know how to do this? Cant get my head around to figuring it out...

Answer 1

@3mar

Answer 2

@Elsa213

Answer 3

@mathmale

Answer 4

@Emeric

Answer 5

There's your answer its 125 Meters

Answer 6

Thanks man! I forgot to minus it thats why it went wrong lol

Answer 7

YOU ARE WELCOME

Answer 8

@Emeric
You deserve it!
Thank you.

Answer 9

And there is another way you can find the distance using one step:
The third law of motion.....


So it will stop before reaching the stop street (140-125=15 m)