A 59 kg block is positioned 2.0 meters away from another 59 kg block. What is the gravitational force exerted on each object? A)
5.8 × 10-8 N

B)
2.0 × 10-9 N

C)
9.8 × 10-10 N

D)
1.2 × 10-7 N

Explanation:

The gravitational force equation is

where G is the gravitational constant. Filling in with what we are given and what we know to be true:

which, when you do the math, comes out to be

, choice A.

chemical properties of thing

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.