The maker of an automobile advertises that it takes 12 seconds to accelerate from 20 kilometers per hour to 65 kilometers per hour. Assuming constant acceleration, compute the acceleration in meters per second per second. Round your answer to three decimal places.

Question

anonymous · Answer

It's just average rate of change.

anonymous · Answer

$$
\frac{\Delta  v}{\Delta t}
$$

anonymous · Answer

A.	
1.968 m/sec2
 B.	
1.042 m/sec2
C.	
1.250 m/sec2
 D.	
2.344 m/sec2
 E.	
2.361 m/sec2

anonymous · Answer

those are the options...

anonymous · Answer

helllooooo

anonymous · Answer

(delta v)/(delta t)=(65-20)km/hr*(1000 m/km)*(1 hr/3600 s)*(1/12 s)=1.042 m/s

anonymous · Answer

1) you find the change in velocity 
2) convert it to m/s
3) divide by the change in time to get acceleration

anonymous · Answer

thank you!!