SOLUTION: A car is traveling at 90 miles per hour when the driver applies the brakes. The cars stops in 8 seconds. The deceleration is how many feet/Sec2

Algebra ->  Length-and-distance -> SOLUTION: A car is traveling at 90 miles per hour when the driver applies the brakes. The cars stops in 8 seconds. The deceleration is how many feet/Sec2       Log On


   



Question 1022325: A car is traveling at 90 miles per hour when the driver applies the brakes. The cars stops in 8 seconds. The deceleration is how many feet/Sec2
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Same problem, different numbers.
=====================================
A car changes speed from 30 mile per hour to 60 miles per hour in four seconds. The acceleration "a" is how many feet/ Sec2
------------
Convert the 2 speeds to ft/sec.
---
a = (v2 - v1)/t