Solve this Example 15 A running man has half the KE that a boy of half his mass - Physics - Work Energy and Power

Question

Solve this
Example 15 A running man has half the KE that a boy of half his
mass has The man speeds up by 1 · 0   m s - 1 and then
has the same energy as the boy What were the original speeds of the
man and the boy?

Sneha Singh · Answer

Answers is given in pradeep if you can see properly, its an example

Solve this. Example 15. A running man has half the KE that a boy of half his mass has. The man speeds up by 1 · 0 m s - 1 and then has the same energy as the boy. What were the original speeds of the man and the boy?

Solve this.
Example 15. A running man has half the KE that a boy of half his mass has. The man speeds up by $1 \cdot 0 m s^{- 1}$ and then has the same energy as the boy. What were the original speeds of the man and the boy?