Two people are paddling a canoe downstream with a speed of 3.5km/h relative to the river. if the river is flowing at 22km/h, how long will it take them to reach the canoe dock 25km away? apex
a. 1.4 h
b. 1.0h
c. 1.2h
d. 1.6 h

b.

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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.

force tends to be low and long diustance masses are high