A force of 50 dynes is acted on a body of mass 5 g which is at rest for an interval of 3 sec., then impulse is __
(1) 0.15 x 10⁻³ N-s
(2) 0.98 x 10⁻³-N-s
(3) 1.5 x 10⁻³ N-s
(4) 2.5 x10⁻³- N-s​