Answer:
So, the radius of fifth Bohr orbital of hydrogen is 1. 3225 nm.
Explanation:
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Rising warm air transports thermal energy by ( water vapor).
Water vapor.
Answer : The excess of electrons on the penny are,
electrons
Solution : Given,
Total charge = 
Charge on electron = 
Formula used :

Now put all the given values in this formula, we get the excess of electrons present on the penny.

Therefore, the excess of electrons on the penny are,
electrons
If the current takes him downstream we must find the resultant vector of the velocities:

Then if the river is 3000 m-wide the swimmer will have to pass:
1.3520747 · 300 = 4056.14 m t = 4056.14 m : 1 m/s
a ) It takes
4056.15 seconds ( 1 hour 7 minutes and 36 seconds ) to cross the river.
b ) 0.91 · 3000 =
2730 mHe will be 2730 m downstream.