Answer:
a
Explanation:
water is only able to desolve two substances , salt , sugar,
 
        
                    
             
        
        
        
E = <u>kQ</u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>
      (r + h)²
where, 
k = 9 × 10^9Nm²C^-2
Q = total charge, 300uC = 300 × 10^ -6C
r = 8 × 10^ -2m
h = 16 × 10^ -2m
then, 
E = <u>9</u><u>e</u><u>9</u><u> </u><u>*</u><u> </u><u>3</u><u>0</u><u>0</u><u>e</u><u>^</u><u>-</u><u>6</u><u> </u><u> </u><u> </u><u> </u>
      (8e^-2 + 16e^-2)²
E = 4687500N/C
 
        
             
        
        
        
Answer: The answer is 3000 K and Centauri A.
Explanation:
Just did it and got it right ♡´・ᴗ・`♡
 
        
                    
             
        
        
        
Answer:
The lungs get rid of carbon dioxide and water vapor. The liver gets rid of bile, which, in addition to breaking down fats, is partially made up of the breakdown of red blood cells. The kidneys get rid of toxins from the blood. The large intestine gets rid of undigested food
 
        
             
        
        
        
If it produces 20J of light energy in a second, then that 20J is the 10% of the supply that becomes useful output.
20 J/s = 10% of Supply
20 J/s = (0.1) x (Supply)
Divide each side by 0.1:
Supply = (20 J/s) / (0.1)
<em>Supply = 200 J/s  </em>(200 watts)
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Here's something to think about:  What could you do to make the lamp more efficient ?  Answer:  Use it for a heater !
If you use it for a heater, then the HEAT is the 'useful' part, and the light is the part that you really don't care about.  Suddenly ... bada-boom ... the lamp is 90% efficient !