Answer:
Work done will be equal to 3186.396 J
Explanation:
We have mass m = 76.2 kg
Initial velocity u = 5 m/sec
Final velocity v = 10.4 m/sec
We have to find the work done
From work energy theorem work done is equal to change in kinetic energy
[tex]w=\frac{1}{2}mv^2-\frac{1}{2}mu^2[/tex]
[tex]w=\frac{1}{2}\times 76.2\times 10.4^2-\frac{1}{2}\times 76.2\times 5^2[/tex]
w = 3168.396 J
So work done will be equal to 3186.396 J