Monday

September 22, 2014

September 22, 2014

Posted by **Rose** on Friday, August 19, 2011 at 2:22am.

Fidel is measuring the light intensity of a distant star. He has found that the intensity varies between a minimum of 19 units and a maximum of 75 units. At 7:00 AM today, he found the intensity was 19. The intensity then increased, reaching an intensity of 47 at 11:00 AM today.

Assume that the light intensity is a sinusoidal function of time. For what length of time today will the intensity be below 23 units?

**Answer this Question**

**Related Questions**

Math - PreCalc (12th Grade) - If the length of the minor axis of an ellipse is 6...

Algebra HELP - Could someone please check this answer. Given y= x^2, how would ...

Math - If X = 3 units, Y = 5 units, and Z = 11 units, then what is the volume of...

physics - Consider the following set of equations, where s, s0 and r have units ...

Thematic units-question--Please Help!! - I asked this question yesterday and ...

very hard math question please help - The Candle Shop -Annual Inventory of ...

physics - can someone explain the answers to the question: Consider the ...

Physics - Consider a pendulum of length 4.557 m. The acceleration of gravity is...

math - Note: Figure not drawn to scale If U = 4 units, V = 5 units, W = 7 units...

Math help please!!! - 1. Determine the equation of g (x) that results from ...