A golfer hits a ball and gives it an initial velocity of 40 m/s , at an angle of 30 degrees above the horizontal. a. How long did the ball stay in the air?

b. How far horizontally did the ball travel before hitting the ground?

b

Explanation:

the answer is mosques. they are an important part of islamic culture.

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.