Question

Sonu's weighs 60kg ,kamal's weight is 5/3 of Sonu weight ,find kamal
weight and difference between their weights​

Answer 1

Answer:

e  

g

​  

 = energy gained = 10  

5

 calorie

e  

u

​  

 = energy used = n eg

n = efficiency = 0.28

energy used = 0.28×10  

5

 

= 28000 calorie.

e  

u

​  

=mgh

28000×4.2joule=60×10×h

h=199m≈200m