Project #23395 - Physics

1.) Consider a situation where immediately after birth, twins are separated. One continues to live on earth, while the other is whisked away in a space ship at 90% of the speed of light. After 65 years they are reunited. Will they look the same? Show proof of your answer through mathematics.

2.) Two events that are simultaneous in one inertial frame of reference will not necessarily be simultaneous in any other inertial frame of reference. Explain.

3.) What is nuclear fission? How do you account for the release of a large amount of energy in a nuclear fission process?

4.) The distance between a 10 cm tall candle and the reflecting surface of a concave mirror is 40 cm. The radius of curvature of the mirror is 25 cm. Now, 

A. What is the focal length of the mirror?
B. What is the image distance?
C. What is the magnification of the image?
D. What is the height of the image?
E. State whether the image is real or virtual and whether it is upright or inverted.

Subject Science
Due By (Pacific Time) 02/21/2014 12:00 am
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