change mi/hr to f/s (60mi/hr=88ft/sec)
Vf=at solve for a.
Vf^2=Vi^2=2ad solve for a. Or,
avgvelocity= Vf/2, and d=avgveloctiy*time
A sports car accelerates from a standing start to 85mi/h in 4.61s.
a. Find its acceleration in feet per second squared.
b. How many feet does it travel in that time?
1 answer