Anonconducting solid sphere of radius 11.6 cm has a uniform volume charge density. the magnitude of the electric field at 23.2 cm from the sphere's center is 1.89 103 n/c.

(a) what is the sphere's volume charge density? µc/m3

(b) find the magnitude of the electric field at a distance of 5.00 cm from the sphere's center. n/c

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

Atennis player used a tennis racket to hit a tennis ball with a mass of 0.25 kg with a force of 5.25 newtons. how does the force the tennis racket exerted on the tennis ball compare with the force the tennis ball exerted on the tennis racket? a. the force of the tennis racket on the tennis ball is equal in magnitude and opposite in direction to the force the tennis ball exerted on the tennis racket. b. the force of the tennis racket on the tennis ball is equal in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. c. the force of the tennis racket on the tennis ball is less in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. d. the force of the tennis racket on the tennis ball is greater in magnitude and opposite in direction as the force the tennis ball exerted on the tennis racket.

Calculate 9 ∙ 10-5 divided by 3 ∙ 10-9. (box after the "10" in answer is for the