1- Two point charges experience an attractive force of 10 N when they are separated by 2.2 m. What force in newtons do t

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1- Two point charges experience an attractive force of 10 Nwhen they are separated by 2.2 m. What force in newtons do theyexperience when their separation is 0.3 m?
2- A sphere of radius 100mm has a charge 4μC uniformly distributed throughout its volume. Find themagnitude of the electric field at distance 100.1 mm from thecentre of the sphere.
Select one:
a. 14 N/C
b. 3.6 N/C
c. 3.6 x 106 N/C
d. 3.6 x 1012 N/C
e. 3.6 x 105 N/C