Question

With what velocity should a body of mass 4kg be thrown so that it acquires 1.25kj of kinetic energy​

Answer 1

Kinetic energy= mv^2/2

1.25KJ = 4×v^2/2

1250KJ = 2v^2

v^2 = 1250/2

v^2 = 625

v= 25

Mark me brainliest if you like my answer.