Question

Two spheres of radii 1cm and 2 cm has been charged with 1.5

Answer 1

Answer:

15.7 cms

Explanation:

r 1 = 1cm

r 1 = 1cmr 2 = 2cm

r 1 = 1cmr 2 = 2cmarea of resulting Sphere = πr1^2 + π r2^2

r 1 = 1cmr 2 = 2cmarea of resulting Sphere = πr1^2 + π r2^2= π ( 1+ 4)

r 1 = 1cmr 2 = 2cmarea of resulting Sphere = πr1^2 + π r2^2= π ( 1+ 4) = 5π

r 1 = 1cmr 2 = 2cmarea of resulting Sphere = πr1^2 + π r2^2= π ( 1+ 4) = 5π =5*3.14

r 1 = 1cmr 2 = 2cmarea of resulting Sphere = πr1^2 + π r2^2= π ( 1+ 4) = 5π =5*3.14= 15.7 cm