Question

$\huge\underline{\bf \orange{Question :}}$

what is a velocity of an object of mass 1kg which has 200 j of kinetic energy​

Answer 1

refer to the attachment............

v = 20m/s

Answer 2

$\huge\underline{\bf \green{Answer :}}$

=> KE = ½ mv²

=> 200 = ½ (1)v²

=> v² = 400

=> v = 20m/s Ans.