Question

A car increases its speed from 20 m/s to 30 m/s in 10 seconds. It's acceleration is

0.5 m/s^2
1 m/s^2
2 m/s^2
2.5 m/s^2​

Answer 1

Answer:

Explanation:

$Given:\:u=20\:km/hr\:=\:50/9\: m/s,\\\\v=3\:km/hr\:=\:75/9\:m/s.\\\\Using,v=u+at,\\\\75/9=25/6+a*10,\\\\=a=5/18\:=0.2778\:m/s^2.\\\\<Follow|ME>$