Answer:
So, the radius of fifth Bohr orbital of hydrogen is 1. 3225 nm.
Explanation:
pls mark me brainless hope this helps loves x!
 
        
                    
             
        
        
        
The speed of the ball is 101miles/hr.
A mile is a unit of length that is exactly 1,609.344 metres long. Similarly, 5,280 feet or 1,760 yards make up one mile. The mile is an imperial and common US measurement of distance.
We just have to deal with unit conversions.
One mile is 5280 feet, or  1 ft = 0.000189
The speed of the ball in miles per hour is

So, the speed of the ball in miles per hour is 101miles/hr.
Learn more about miles here;
brainly.com/question/23245414
#SPJ4
 
        
             
        
        
        
8/4 = y/y-x
8y - 8x  = 4y
y = 2x
y = 2 x 4
y = 8
Hope this helps
        
             
        
        
        
Answer:
60.2 J
Explanation:
Efficiency is the ratio of work out to work in.
e = Wout / Win
0.86 = Wout / 70 J
Wout = 60.2 J