How much height can a 60 kg mass climb by using energy from a slice of bread which produces 100,000cal ? Assume the efficiency of human body is 28%.

How much metres can a 50 kg man climbs by using the energy from a slice of a bread which produces 420 kJ heat? Assuming that the human body effciency working is 30% . Use g=10 m//s^(2) .

The weight of a person is 60 kg . If he gets 10 calories of heat through food and the efficiency of his body is 28% , then upto what height he can climb? Take g = 10m s^(-2)

The weight of a person is 60 kg . If he gets 10 calories of heat through food and the efficiency of his body is 28% , then upto what height he can climb? Take g = 10m s^(-2)

The weight of a person is 60 kg . If he gets 10 calories of heat through food and the efficiency of his body is 28% , then upto what height he can climb? Take g = 10m s^(-2)

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.

The weight of a person is 60 kg . If he gets 105 calories heat through food and the efficiency of his body is 28%, then upto how much height he can climb (approximately)

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 pump can take out 7200 kg of water per hour from a well 100 m. deep. The power of pump, assuming its efficiency as 50% will be