Answer:
zero
Explanation:
A Carnot engine is an ideal engine in which the process is cyclic and reversible.
A Carnot engine is the engine whose efficiency is 100 % and the entropy in is equal to entropy out. That means the net change in entropy is zero.
Work done,
Displacement,
Force,
Work done by the opponent do on the football player is given by :
So, the work done by the opponent do on the football player is .
72 Km/hr
= 72000 m/ 60×60 s
= 72000 m/ 3600 s
= 20 m/s
Answer is 20 m/s.
Hope it helps! Please do comment
ok wht is the question