4. The work done by the heart of a person is 2 J per beat. Calculate the power of the
heart if it beats 72 times in 1 minute.
Answers
Explanation:
Read the source given below and answer the questions that follow:
Kishora is a farm labourer. Like other such labourers. Kishora found it difficult meet his
family’s needs from the wages that he received. A few years back Kishora took loan from the
bank. This was under a government programme which was giving cheap loans to poor landless
households. Kishora bought a buffalo with this money. He now sells a buffalo’s milk.
Further, he has attached a wooden cart to his buffalo and uses it to transport various items
once a week, he goes to the river Ganga to bring back clay for the potter. Or sometimes he
goes to Shahpur with a load of jaggery or other commodities. Every month he gets some work
in transport. As a result, Kishora is able to earn more than what he used to do some years back.
a. What is Kishora’s fixed capital?
b. What are his working capitals?
c. How many production activities is Kishora involved?
d. Would you say that Kishora has benefitted from better roads in Palampur?