Questions 581–590 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 59 of 65

Question 51

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Two points on the equator have longitudes 55°E and 25°W. Considering radius of earth as 6400 km, the distance between the two points in km is ________________.

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Question 52

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Sum of the series 5, 10, 15, …………, 500 is ____________________.

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Question 53

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The sample standard deviation for the following set of observations is ________________. 40, 45, 50 and 55

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Question 54

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For the given function

, the value of

at

and

is _____________________.

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Question 55

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Given

, the value of

at

is _________________.

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Question 1

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Which one of the following plots represents the relationship

, where

is a positive constant?
Diagram for Mining Engineering question 1

Your answerChoose one option.

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Question 2

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and

are the probability distribution function and density function respectively of a continuous variable

in the interval

. Which one of the following is TRUE?
Your answerChoose one option.

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Question 3

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The position vector of a moving particle is given by

. The acceleration of the particle in the direction of the motion is
Your answerChoose one option.

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Question 4

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The value of

Your answerChoose one option.

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Question 5

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Components of a 2-D stress tensor in Cartesian coordinate are

MPa,

MPa, and

MPa. The traction vector (

) in MPa acting on a plane having outward normal

is
Your answerChoose one option.

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