A doubly ionized lithium atom is in the ground state. It absorbs energy and makes transition to the n = 5 excited state. The ion
1 answer:
The wavelength of highest photon energy is 0.544J.
- Use the equation to calculate the electron's energy in the nth orbit.
- Calculate the energies of the first and third Bohr orbits to determine the amount of energy needed to excite the electron.
- The wavelength of a photon can be calculated using the photon energy formula.
- Check how many different routes an excited electron can take to reach its ground state, the first Bohr orbit.
- E=-13.6/5²=0.544 J
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Answer:
42.86m
Explanation:
The first thing we should keep in mind is that the watermelon moves with uniform acceleracion equal to gravity (9.81m / s ^ 2)
A body that moves with constant acceleration means that it moves in "a uniformly accelerated motion", which means that if the velocity is plotted with respect to time we will find a line and its slope will be the value of the acceleration, it determines how much it changes the speed with respect to time.
When performing a mathematical demonstration, it is found that the equations that define this movement are as follows.
where
Vf=29m/s= final speed
Vo= initial speed=0m/S
g=gravity=9.81m/s^2
Y= distance traveled(m)
solving
the distance traveled by watermelon is 42.86m