I The speed of light in air is
H3 x 108ms If the refractive Index
Of light from air to coater is 4/5
then what is the value of the
speed of tight in water.

e

explanation:

there is no change in the electric potential energy as it is in rest on both conditions.

radiation warms things up temp rises convection currents air circ windy weather

like poles repel so keep pushing north to north and repels funny to see this

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.