Question

How fast should a girl weighing 180 N run so that her kinetic energy is 729 J ?

(g=10m/s^2)​

Answer 1

Answer:

Kinetic energy= 1/2mv²

Work=600 N =Mass=60 kg

Vecolity of the body=729 J

Kinetic Energy=1/2×60kg×729 J

30×729²

15,943,230