SOLUTION: If the speed of an object changes from 121 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. -276 m/s2 C. -18.25 m/s2 B. -1.92 m/s2

Algebra ->  Test -> SOLUTION: If the speed of an object changes from 121 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. -276 m/s2 C. -18.25 m/s2 B. -1.92 m/s2       Log On


   



Question 266060: If the speed of an object changes from 121 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object?
A. -276 m/s2 C. -18.25 m/s2
B. -1.92 m/s2 D. -11 m/s2

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Average acceleration is
%2898+-+121%29%2F12
-23%2F12 m/sec2
-1.92 m/sec2