If a ball goes from rest to 15m/s in .41s whats the acceleration

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.

The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).

Which one of the following terms is used to indicate the natural tendency of an object to remain at rest or in motion at a constant speed along a straight line? velocity acceleration equilibrium force inertia