Answer:
B. More African Americans became registered to vote in Southern states.
Explanation:
Answer:
yes
Explanation:
masses attract each other
with a teeny-tiny force
Answer:C The final velocity is half of trained car B's initial velocity.
Explanation:
Answer:
A)
Explanation:
amplitude is the amount of amps or decibals a sound wave is and is measured by going high and low depending on the sound.
Answer:
Refractive index of film = 1.27
Explanation:
for the constructive interference of reflected light we know that the condition is given as

here we know
= refractive index of the liquid film
t = thickness of layer
t = 246 nm

now from the above condition of maximum interference

