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#### Time Varying Systems-Elementary Mathematics-Assignment

This is assignment of Elementary Mathematics course by Afzal Humdani at Pakistan Institute of Engineering and Applied Sciences (PIEAS). It includes: Elementary, Mathematics, Solution, Pumped, Veloc...

#### Tensor Expressions-Elementary Mathematics-Assignment

This is assignment of Elementary Mathematics course by Afzal Humdani at Pakistan Institute of Engineering and Applied Sciences (PIEAS). It includes: Tensor, Expression, Consistency, Cartesian, Free...

#### Solving Equations-Elementary Mathematics-Assignment

This is assignment of Elementary Mathematics course by Afzal Humdani at Pakistan Institute of Engineering and Applied Sciences (PIEAS). It includes: Nonzero, Taylor, Series, Dilution, Process, Conc...

#### PDEs and Rayligh Problems-Elementary Mathematics-Assignment

This is assignment of Elementary Mathematics course by Afzal Humdani at Pakistan Institute of Engineering and Applied Sciences (PIEAS). It includes: Separation, Variable, Method, Heat, Equation, Ra...

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## 1

Answers#### If every person in China climbed to the top of a six-foot (two-meter) ladder and then all jumped off at the same time, could it nudge Earth into a different orbit?

Kindly explain?

27/06/2014
## 2

Answers#### If you see an object rotating, is there necessarily a net torque acting on it?

Explain in terms of angular velocity.

12/06/2014
## 1

Answers#### "USA Today reported that 44.9% of those surveyed (1261 adults) ate in fast-food restaurants from one to three times each week. a) Identify the variable? b) Is the variable quantitative or qualitative? c) What is the implied population?"

Also identify the categories.

15/05/2014
## 3

Answers#### How can boilers be described in terms of type of furnace?

Boiler classification based on furnace type.

29/08/2012
## Answers

## 1

Answers#### "If you know the position vectors of a particle at two points along its path and also know the time interval during which it moved from one point to the other, can we determine the particle’s instantaneous velocity? Its average velocity?"

Answered:
Its instantaneous velocity cannot be determined at any point from this information.
However, the average velocity over the time interval can be determined from its
defi nition and the given ...

14/05/2014
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