A bird flies 3.0 KM due west and then 2.0 KM due north. what is the magnitude of the bird's displacement?
A. 2.0 km
B. 3.0 km
C. 3.6 km
D. 5.0 km
Ans: C. 3.6 km
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Two planets travel in circular orbits about a star. The period of planet A is T, while that of planet B is 3T. What is the ratio of the orbital radii, 
A. 0.33 B. 0.19 C. 0.48 D. 0.69
The peak of the radiation curve of a blackbody moves upward toward higher intensity as its temperature increases
Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
1. A particle’s mass is the same in all inertial reference frames (even though its speed is not) 2. The components of a particle’s four-momentum are the same in all inertial reference frames. 3. As a particle’s speed approaches that of light, the difference between its relativistic momentum magnitude and its relativistic energy E becomes small (compared to E).
Solve the system of equations
GIVEN
A system of three equations
FIND
(a) The solution of the system of equation using Jacobi and Gauss-Seidel iteration