<span>the mechanical advantage of a pulley is 1.0
</span>
Answer:
34.45m
Explanation:
Magnitude of a vector is equal to the square root of sum of squares of x & y vectors.
Magnitude = 
= 
=34.45m
Answer:
Mars has a red surface the sun is solar
star so the only thing left is mars
Explanation:
Hope this helped :)
oxygen's atomic number is 8
1s22s22p4 is the electron configuration
2+2=4 4+4=8
Answer: The correct answer is an emission line spectrum.
Explanation:
When the electrons are excited to the higher energy level, the energy is absorbed in this case.
When the electrons in the atom step down to lower energy levels in a thin cloud of hot gas then the radiation will emit.
The electron will lose energy in this case in the form of radiation. There will be an emission line spectrum.
