Suppose that the build-up of fatty tissue on the wall of an ...

[CORALGRILL2014]

Suppose that the build-up of fatty tissue on the wall of an artery decreased the radius by 10. By how much would the pressure provided by the heart have to be increased to maintain a constant blood flow?
 
  What will be an ideal response?

Question 2

Charges 6.8 C, 6.1 C, and -1.5 C are brought from infinity to the respective vertices of an equilateral triangle with 11. cm sides.
 
   (a) How much energy did it take to move the charges to the triangle vertices? (b) What is the potential at the center of the triangle?

[kkenney]

Answer to Question 1

52

Answer to Question 2

(a) 1.8 Joules
(b) 1.6  106 volts

[CORALGRILL2014]

Gracias!

[epscape]

Thanks for the timely response, appreciate it