Answer:
C
Explanation:
I did the math and got c so
Answer:
0 degrees
Explanation:
this is because when the light ray hits a surface a medium at 90 degrees then the angle of incidence = 0 , thus light doesn't bend when it enters the medium, no bending means angle of refraction is 0 degrees
hope this helps ,please mark it
Answer:
Explanation:
Kinetic energy is given by the following equation:
, where 
is mass in 
and 
is velocity in 
.
Since the cell phone's mass is given in grams, we need to convert this into kilograms:
.
Therefore, the kinetic energy of the cell phone is:
.
Answer:2.4
Explanation:basically 2.4 = 2.500 kg and then we add 3.4 seconds in all of them 4.0 + 3.4 = 2.5 ok
Answer:
3600
Explanation:
90 of 120 is 3/4 so 4800 - 1200 is 3600.
