Answer:
i = 61 degree
Explanation:
Given,

Now, by the snell's law

Now,
Sin i / sin r = n 2 / n 1
sin i / sin r (45 - 24.09) = 2.45 / 1
i = 60.97 degree
Answer:
Good government
Explanation:
Many people will think its natural resources but its not. Africa is a proof. They have resources but leadership is what makes most of their countries 3rd world. #BADGOVERNANCE
Answer:
cross out the false piece in blue and write the true piece in red
Answer:
Only kinetic.
Explanation:
Potential energy means it has the potential to move. Not something already in motion.