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understood, basic principles to its solution. At the end of this subject, students should have gained an understanding of kinematics and ** kinetics** of rigid bodies, and free vibration of single degree of freedom mechanical systems. The three immediate learning objectives of this subject are: Understanding basic mechanics concepts such as rigid body, force, motion, work,

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of an object without a change in its orientation relative to a fixed point, i.e. running down a straight path without changing direction. The *kinetic*** energy** that the gymnasts possess during the run can be calculated using the equation KE= 1/2mv2, where ‘m’ is the mass of the gymnast and ‘v’ is the velocity of the run. If I wanted to calculate my

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AM
Lab Instructor: Uttar Pudasaini
Introduction
In this experiment we will be examining how the ** kinetic** friction coefficient is altered by changing the mass, surface area, speed, and material contacting each other. In order to find this value, we will be using a pulley apparatus that will allow us to measure the average velocity and manipulate Newton’s Second Law of Motion to find the

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accelerate to the same angular velocity.3<br><br>To calculate the moment of inertia of an object one can imagine that the object is divided into many small volume elements, each of mass ?m. "Using the definition (which is taken from a formula in rotational ** energy**) I=?ri2?mi and take the sum as ?m?0 (where I is the moment of inertia and ri is the perpendicular distance of the infinitely small mass' distance from the axis of rotation). In this limit the sum becomes an integral over the whole object:<br>I = lim...

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Questions and Conclusion:
1. Based on your observations of the 4 collisions, describe the physical difference between elastic and inelastic collisions.
in an elastic collision all *kinetic*** energy** of the bodies colliding before the collision remains after the collision and none is converted into noise, or any other form of

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Will the average *kinetic*** energy**, average velocity, and frequency of collisions of gas molecules with the walls of
the container increase, decrease, or remain the same under each of the following
condition? Circle the correct answer.
a. The temperature is increased to 100oC.
Average

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would slow down the initial acceleration, but the car would travel a longer distance due to increased momentum, which might overcome ** kinetic** friction.
Rationale: Some reasons of why that it was thought that the more weight added to the car would increase the overall distance travelled is because in order to stop the Lego car with an example of 40g in it,

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(ρ, φ, z). Besides the force of constraint, the only force on the mass is force F=-kr directed toward the originUsing z and φ as generalized coordinates find the Lagrangian L, solve Lagrange’s equations and describe the motion. 2. Show that the *kinetic*** energy** of any holonomic mechanical system has the form.
T a jk (q) q ( j ) q(k )
j 1 k 1
n
n
. .
3. Consider a double pendulum (fig. 1) made up of two masses, m1 and m2 and two lengths l1 and l2. Find the equation of motion...

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created. The hydraulic jump should be stabilized at one point so that a productive investigation is achieved
The rapidly flowing liquid is abruptly slowed and increases in height, converting some of the flow's initial *kinetic*** energy** into an increase in potential

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Give a brief explanation of the results.
(
/15) Background
: The topics included in the background should contain, but are not limited
to:
what is the definition of momentum and how is it calculated
what are the differences and similarities between momentum and ** energy**? when would you
use each to analyze a situation?
what is impulse? how is it related to momentum?
how are force and time intricately related to each other in a collision? use examples of
safety equipment from automobiles. how would the graphs of force versus time change for ...

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