By definition, the kinetic energy is given by:
[tex] k = (1/2) * (m) * (v ^ 2)
[/tex]
Where,
m: mass
v: speed
Clearing the speed we have:
[tex] v ^ 2 = (2 * k) / m
v = \sqrt{(2 * k) / m} [/tex]
Substituting values:
[tex] v = \sqrt{(2 * 810) / 82}
v = 4.44 m / s[/tex]
Answer:
The jogger's velocity is:
v = 4.44 m / s
