E-notation: A scientific notation displays a numeric value in an exponential notation. The exponential notation is represented by “E”. E-notation replaces a part of a number with “E + n”, “E” multiples the previous number by “10” to the “nth” power. The notation “E” is the power of “n”. Example to represent the E-notation: Consider the number “64392.86”. Step1: Convert a number given to the scientific notation. In scientific format, a number “64392.86” is represented as 6.439286 × 10 4 , where 10 4 is equal to “10000” and “ 6.439286 × 10000 ” is equal to “64392.86”. Here, the first part, “6.439286” is represented as “mantissa” and “mantissa” is multiplied by the power of “10”. Step 2 : Convert the scientific format to E-notation. The number “ 6.439286 × 10 4 ” is represented in E-notation as “6.439286E4”, where “E” is the power of “10”.

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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Question

Chapter 2.11, Problem 2.19CP

Program Plan Intro

E-notation:

A scientific notation displays a numeric value in an exponential notation.

The exponential notation is represented by “E”.

E-notation replaces a part of a number with “E + n”, “E” multiples the previous number by “10” to the “nth” power.

The notation “E” is the power of “n”.

Example to represent the E-notation:

Consider the number “64392.86”.

Step1: Convert a number given to the scientific notation.

In scientific format, a number “64392.86” is represented as 6.439286 ×104 , where 104 is equal to “10000” and “ 6.439286 ×10000 ” is equal to “64392.86”. Here, the first part, “6.439286” is represented as “mantissa” and “mantissa” is multiplied by the power of “10”.

Step 2: Convert the scientific format to E-notation.

The number “ 6.439286 ×104 ” is represented in E-notation as “6.439286E4”, where “E” is the power of “10”.

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