Sonu’s weighs 60kg ,kamal’s weight is 5/3 of Sonu weight ,find kamal weight and difference between their weights About the author Sophia
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 Reply
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