10-kg mass at rest on a horizontal frictionless table is accelerated by a force of 20 N. How much work is needed to accelerate the ball to a welocity of 10 m/s?
(A) 5 j
(B) 200j
(C) 500j
(D) 2000j

Select all the correct answers.which two statements are true? a moving magnetic field creates an electric field.a constant magnetic field creates an electric field.a constant electric field creates a magnetic field.a moving electric field creates a magnetic field.resetnext