a glass flask of volume 400 cm3 is just filled with mercury at o. how much mercury will overflow when the temperature of the system rises to 80

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.

the answer is 12 as i may remember

: )

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.