If you walk around a square block going at the same pace, how many times does your
velocity change?

i would say the answer is food.

hope this !

.) the observation by semmelweis that more mothers died of childbed fever when their doctors also worked in the morgue

i think if it were me i whould divide 300 dide 15

step-by-step explanation:

answer: at 24 february, 2014 the population gets twice of its initial population.

explanation:

since we have given that

the population for alpha city, t years after january 1, 2004 is given as

first we find out the initial population, i.e. t=0,

so, our quadratic equation becomes,

according to question, we have said that if the population has twice its initial population, then it becomes

so, time taken to reach this above mentioned population is given by

now, we know that time can't be negative so, we take t=9.149 years.

hence, at 24 february, 2014 the population gets twice of its initial population.