Question

Speeding truck slams on the brakes and accelerates at -7.40m/s^2 Before coming to a stop. It leaves skid marks on the pavement that are 43.1m long. How fast was the truck going before it slammed on the breaks?

Answer 1

Answer:

25.2563 m/s

Explanation

This is the equation needed

$v^2 = u^2 + 2ad where v is the final velocity, u is the initial velocity, a is the acceleration, and d the distance$

So Just plug in!