Question

after 30s, a runner is spriting at 3m/s. But, 10s later, the runner is sprinting at 3.8m/s. What is the runner's acceleration during this time?
Henry
a=(V2-V1)/(T2-T1)=(3.8-3)/(40-30)=0.08m/s^2.
IDK my name
WHAT IS THE ANSWER DOES ANYONE HAVE ANY COMMON SENSE BECAUSE U 2 R DUMMM
Anonymous
i don't understand lmao