E-commerce: Electronic commerce is a method of buying and selling of products or goods through online. Here, money and data transactions are done using internet. E-commerce is also called as electronic commerce or internet commerce. Even though the technologies available such as e-mail, social media, and mobiles, the modern e-commerce mostly uses the internet for the online purchasing of products. It is the most efficient method to communicate within the organization of business transactions such as maintaining the financial records of the users such as bank balances, name, and address. But it is just a part of e-commerce business.

Question

A cylinder of diameter 10 cm rotates concentrically inside another hollow cylinder of inner diameter 10.1 cm. Both cylinders are 20 cm long and stand with their axis vertical. The annular space is filled with oil. If a torque of 100 kg cm is required to rotate the inner cylinder at 100 rpm, determine the viscosity of oil. Ans. μ= 29.82poise

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Chapter 7, Problem 4DQ

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E-commerce:

Electronic commerce is a method of buying and selling of products or goods through online. Here, money and data transactions are done using internet.

E-commerce is also called as electronic commerce or internet commerce.

Even though the technologies available such as e-mail, social media, and mobiles, the modern e-commerce mostly uses the internet for the online purchasing of products.

It is the most efficient method to communicate within the organization of business transactions such as maintaining the financial records of the users such as bank balances, name, and address. But it is just a part of e-commerce business.

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