The shape of a discus aids the thrower by facilitating Question 6 options: aerodynamic friction and stability from angular momentum aerodynamic lift and stability from angular momentum aerodynamic lift and stability from linear momentum aerodynamic friction and stability from Linear momentum

INTRODUCTION: The effectiveness of aerodynamic devices required stability and control to maintain…

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The shape of a discus aids the thrower by facilitating Question 6 options: aerodynamic friction and stability from angular momentum

Automotive Technology: A Systems Approach (MindTap Course List)

6th Edition

ISBN:9781133612315

Author:Jack Erjavec, Rob Thompson

Publisher:Jack Erjavec, Rob Thompson

Chapter3: Basic Theories And Math

Section: Chapter Questions

Problem 1RQ: Describe Newtons first law of motion and give an application of this law in automotive theory.

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Most collisions are inelastic, meaning the kinetic energy is not conserved in the system. (a) What are the three most common ways for energy to leave a system during a collision? To the best of my knowledge, the use of the word "perfectly" in a perfectly elastic collision is not necessary. Any elastic collision is a perfectly elastic collision. Both concepts mean the kinetic energy is conserved. The use of the word "perfectly" in perfectly inelastic collisions is just telling you that the two objects end up sticking to each other (have the same final velocity). (b) Combine the equations for the 1-D conservation of linear momentum and the conservation of kinetic energy to create a third equation. Any two of these equations now contain all the information, so the three equations are said to be linearly dependent in math-speak. This means we only need to use any two equations for our solutions, naturally we will chose the simplest two. (c) Use two of these equations along with…
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Due to the conservation of angular momentum, what will happen to the rotation speed of a large Red Giant star when it undergoes a Type II Supernova explosion and collapses into a compact Neutron Star? Nota Bene: Consider only what happens to the star during its collapse, not what may happen to it later. A Its rotation will slow down. B It will rotate at the same speed. C Its rotation will speed up.
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Which of the following would Newton's first law alone NOT account for? 1) Passengers on board an elevator undergoing uniform motion can't tell that the elevator is really moving. 2) A passenger leans forward in her seat when the car's brakes are applied. 3) During launch, astronauts feel that they are being pushed back into their seats. 4) No matter how hard you push against it, the boulder would not move. 5) A rocket accelerates upward from a launch pad and the engines' thrust overcomes gravity.

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	aerodynamic friction and stability from angular momentum
	aerodynamic lift and stability from angular momentum
	aerodynamic lift and stability from linear momentum
	aerodynamic friction and stability from Linear momentum