Answer:
the net force is the resultant of all the forces; it is the result of adding all the forces together as vectors. For the situation of the three forces on the force board, the net force is the sum of force vectors A + B + C.
Explanation:
I hope this helps!!!
Answer: The refracted ray is unpolarized whereas the reflected ray is vertically polarized.
Many light sources like the sun produce waves which are polarized ( randomly). Light which is said to be unpolarized is made up of many waves having all possible directions of polarization.
Answer:
The answer is already given... it's 31.25 cm
Answer:
4.80 seconds
Explanation:
The velocity of sound is obtained from;
V= 2d/t
Where;
V= velocity of sound = 329.2 ms-1
d= distance from the wall = 790.5 m
t= time = the unknown
t= 2d/V
t= 2 × 790.5/ 329.2
t= 4.80 seconds
