## Solution for problem 67 Chapter 3

# The bright star Sirius A has a diameter 1.6 times thesuns and surface temperature 9600

Modern Physics for Scientists and Engineers | 4th Edition

The bright star Sirius A has a diameter 1.6 times thesuns and surface temperature 9600 K. (a) What is thepeak wavelength of radiation emitted from the sur-face? (Note: Sirius has a distinctive blue tint whenviewed with the naked eye.) (b) Find the net poweroutput from the surface of Sirius A and compare withthat from the sun.

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PHYS 1961 SEC 001 September 25, 2016 Group Members: Lab Report #2 Introduction: The purpose of this lab was to introduce us to the twodimensional kinematic equations, explore the dependence or independence of the x and y motion of a projectile, practice experimental procedures, predict the path of the projectile, and graph the data which our experiment procures. Using Newton’s Second Law of Motion, we know that if gravity is the only force acting upon the projectile, then the acceleration is constant and the following equations apply: 1) x=v t0x 1 2 2) y=y +0 t−0 y 2 v

###### Chapter 3, Problem 67 is Solved

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The bright star Sirius A has a diameter 1.6 times thesuns and surface temperature 9600