Question

 A car increases its speed from 90 km/h to 108km/hr. in 15 seconds. Its acceleration​

Answer 1

Answer:

0,34 m/s^2

Explanation:

90 km/hr = 25 m/s ; 108 km/hr = 30 m/s . we know that , a = ( v - u ) / t = {( 30-25 ) ÷ 15} m/s^2 = 1/3 m/s^2 = 0.34 m/s^2 .