Answer:
[tex]3.6\frac{m}{s}[/tex]
Explanation:
In physics, the kinetic energy of a body is that energy it possesses due to its movement and is defined by the expression
[tex]E_{k} =\frac{m*v^{2} }{2} \\\\[/tex]
where E_{k} is the kinetic energy, m is the mass of the object and v is its speed.
also [tex]1J=kg*\frac{m^{2} }{s^{2} } \\\\[/tex]
Now we have to replace the known values and isolate the the speed(v)
[tex]550.8J=\frac{58kg *v^{2} }{2} \\2*550.8=58kg*v^{2} \\\\v^{2} =\frac{1101.6 J}{58 kg}[/tex]
[tex]v=\sqrt{12.96 \frac{m^{2} }{s^{2} } } \\v=3.6 \frac{m}{s}\\[/tex]
Have a great day.
