A makki ki roti has 100 kcal of thermal energy. What a man of 60 kg eats five such roti, how many meters can he climb by using this energy. Given that the working efficiency of man is 30% of the total energy gain by eating.

A man of 60 kg gains 1000 cal of heat by eating 5 mangoes. His efficiency is 29% . To what height he can jump by using this energy?

A man of 60kg gains 1000 cal of heat by eating 5 mangoes. His efficiency is 56%. To what height he can jump by using this energy?

A man of 60 kg gains 1000 cal of heat by eating 5 mangoes. His efficiency is 56%. To what height he can jump by using this energy?

A man of 60 kg gains 1000 cal of heat by eating 5 mangoes. His efficency is 28%. To what height he can jump by using this energy?

If a slice of bread can supply 100 kilocalorie of heat to a man, how many metres can a man weighting 60kg climb by using this energy? (Efficiency of working of the human body =30% J =4.2 joules per calorie and g=9.8ms^(-2) )

A bread gives a boy of mass 40 kg an energy of 21 kJ. If the efficiency is 28%, then the height that can be climbed by him using this energy, is :

A bread gives a boy of mass 40 kg an energy of 21 kJ. If the efficiency is 28%, then the height that can be climbed by him using this energy, is :