Science
posted by Ana .
How do you find the hours of daylight ?

What season of the year? At what part of the earth?
Google sunrise and sunset for your area and date.
Respond to this Question
Similar Questions

11th gradeCalculas
The number of hours of daylight D depends upon the latitude and the day t of the year and is given by the equation : D(t)=12+Asin(((2pi)/(365))(t80)) where A depends only on the latitude (and not t). for latitude 30 degress, A is … 
calculus
The number of hours of daylight D depends upon the latitude and the day t of the year and is given by the equation : D(t)=12+Asin(((2pi)/(365))(t80)) where A depends only on the latitude (and not t). for latitude 30 degress, A is … 
trig
A city averages 14 hours of daylight in June, 10 in December, 12 in both March and September. Assume that the number of hours of daylight varies sinusoidally over a period of one year. Write an expression for n, the number of hours … 
Trigonometry
The number of daylight hours in a day is harmonic. Suppose that in a particular location, the shortest day of the year has 7 hours of daylight and the longest day of the year has 18 hours. Then, we can model its motion with the function … 
Math
The number of daylight hours in a day is harmonic. Suppose that in a particular location, the shortest day of the year has 7 hours of daylight and the longest day of the year has 18 hours. Then, we can model its motion with the function … 
math
In Philadelphia the number of hours of daylight on day t (where t is the number of days after Jan. 1) is modeled by the function L(t)= 12+2.83sin(2pi/365(t365)) A) Which days of the year have about 10 hours of daylight? 
homework
which locations have the greatest number of hours of daylight on june 21? 
Precalculus II
1. The number of hours of daylight D(t) in Halifax at day t can be approximated by the function D(t) = a sin(bt + c) + d, where t = 1 on January 1, and t = 365 on December 31. The period is one year, and the cycle starts on the vernal … 
PreCalculus HELP!!
The length of a day in Philadelphia, Pennsylvania, is given by the sinusoidal function, f(t), which represents the number of hours of daylight t days into the year: f(x)=11+2.2sin(2pi/365)t1.25).How many hours of daylight are there … 
Pre Calculus HELP!?
The length of a day in Philadelphia, Pennsylvania, is given by the sinusoidal function, f(t), which represents the number of hours of daylight t days into the year: f(t)= 10+2.8sin(2pi/365)*(t1.35). How many hours of daylight are …