A ray of light enters a pane of glass with an angle of incidence of 
The index of refraction of the glass is 1.48. What is the angle of refraction as the ray emerges from the other side of the pane?
A. 
B. 
C. 
D. 
E. 
D.
Physics & Space Science
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When 14C goes through radioactive decay, one of its neutrons splits into a proton and an electron. What does 14C become?
a. 13C6 b. 14N7 c. 13N7 d. 13B5 e. 15C6
Physics & Space Science
When a neutral atom loses an electron, we say that it becomes
A) vaporized. B) dissociate. C) ionized. D) an isotope. E) a plasma.
Physics & Space Science
An arrow of mass 20. g is shot horizontally into a bale of hay, striking the hay with a constant velocity of 60. m/s. It penetrates a depth of 20. cm before stopping. What is the average stopping force acting on the arrow?
What will be an ideal response?
Physics & Space Science
Organic molecules can only be made by living things
Indicate whether the statement is true or false
Physics & Space Science