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Iceland Glima Iran Kushti Turkey Yagli Russia Sambo what is it?
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Wrestling
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Lab Assignment 9: Gravity
Lab
Assignment 9: Gravity
Instructor’s Overview
As you continue with your study of
physics, you'll l ...
Lab Assignment 9: Gravity
Lab
Assignment 9: Gravity
Instructor’s Overview
As you continue with your study of
physics, you'll learn that there are four fundamental interactions in
nature. These interactions are
summarized in this table:
Interaction
Comments
Relative strength
Effective range
Strong nuclear
force
Binds protons
and neutrons in nuclei
1
10-15 m
Electromagnetic
force
Force between
charged particles. Follows
inverse-square law.
10-2
Infinite
Weak force
Responsible for
certain types of radioactive decay
10-13
10-18 m
Gravitational force
Force between
all objects. Determined by magnitude
of masses and separation. Follows
inverse-square law.
10-38
Infinite
So gravity is one of the four fundamental
forces of nature. We will learn about
the other three in Physics II. Some interesting things to note about the
gravitational force:
·
In a relative
sense, it is the weakest of the four fundamental interactions. Even so, gravity is largely responsible for
the dynamics of our solar system, galaxy, and the Universe as a whole.
·
Gravity acts over
an infinite distance. Objects may be
separated by thousands of light years, but they experience gravitational
attraction.
·
Gravitational
interactions obey the inverse-square law.
·
Coulomb's Law
dictating the force between two charged particles is also an inverse-square
relationship.
In this lab, you will perform experiments
that illuminate the concept of gravitational interaction.
This activity is based on Lab 10 of the
eScience Lab kit.
Our lab consists of two main
components. These components are
described in detail in the eScience manual.
Here is a quick overview:
Experiment 1: In the first part of the lab, you will subject
a variety of objects to the force of gravity and discuss your
observations.
Experiment 2: In the second part of the lab, you will use a
flashlight as an analogy to demonstrate the inverse-square law of gravity.
Take detailed
notes as you perform the experiment and fill out the sections below. This document serves as your lab report. Please include detailed descriptions of your
experimental methods and observations.
Date:
Student:
Abstract
Background
Objective
Hypothesis
Introduction
Material and Methods
Results
Based on your
results from the experiments, please answer the following questions:
Experiment
1: Falling in a Gravitational Field
The
following expression for the acceleration due to gravity works well for
objects near the Earth’s surface (G is the gravitational constant, Me
is the mass of the Earth, and Re is the radius of the Earth):
Use the
above equation to calculate the gravitational acceleration at an altitude
of 100,000 meters above the Earth. By what percentage is this acceleration
different from that on the Earth's surface?
How
does air resistance alter the way we perceive falling objects?
Using the universal law of gravitation, show that the
gravitational acceleration experienced by an object is independent of its
mass.
Experiment
2: Inverse Square Law
Data table
Distance from wall
Diameter of light circle
Radius of light circle
Area of light circle
NOTE: Be sure to specify your units.
1.
How
did the intensity (brightness) of the circle of light seem to changes as you
increased the source distance?
2.
How
did the area of the circle of light change as you moved farther away? How does
this relate to the gravity field of a body?
3.
Make
a plot of distance vs. area for the light shining from the cup to the wall
(plot the area data on the y‐axis).
4.
Draw
a line of best fit through your data points, and comment on the general shape
of your plot. What kind of relationship
does this indicate (i.e. linear, exponential, logarithmic, etc.)?
5.
If
the amount of light shining from the flashlight is constant, the intensity of
light should decrease as the area it shines on gets larger. Using your plot from
question 2, sketch an approximate plot for light intensity vs. distance.
6.
If
you moved too far away from the wall the circle of light probably became very
difficult to see. Is the intensity of the light circle ever zero? Is it correct
to say that gravity doesn’t exist between objects on opposite sides of the
galaxy?
Conclusions
References
7 pages
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Organisms A, B,
C, D, E, F, G, and H are newly discovered species of bacteria from deep-sea
vents. You have sequenced th ...
Part 2 Only: Using the information below, build a phylogenetic tree for the organisms listed.
Organisms A, B,
C, D, E, F, G, and H are newly discovered species of bacteria from deep-sea
vents. You have sequenced the DNA of each organism and have isolated a region
of each organism’s genome that may be promising in constructing a phylogenetic
tree. Your colleague has constructed the beginning of the tree and your goal is
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Most Popular Content
2 pages
Meiosis Work Sheet
For each stage of meiosis, label the stage with the name, draw the configuration of two sets of chromosomes and spindle fi ...
Meiosis Work Sheet
For each stage of meiosis, label the stage with the name, draw the configuration of two sets of chromosomes and spindle fibers, then below your ...
ESS 21 UCI Isolated System Specific Heat Climate Change & Water Properties Exam Practice
It is an exam based on the slide I provide. About 20 questions.
ESS 21 UCI Isolated System Specific Heat Climate Change & Water Properties Exam Practice
It is an exam based on the slide I provide. About 20 questions.
Lab Assignment 9: Gravity
Lab
Assignment 9: Gravity
Instructor’s Overview
As you continue with your study of
physics, you'll l ...
Lab Assignment 9: Gravity
Lab
Assignment 9: Gravity
Instructor’s Overview
As you continue with your study of
physics, you'll learn that there are four fundamental interactions in
nature. These interactions are
summarized in this table:
Interaction
Comments
Relative strength
Effective range
Strong nuclear
force
Binds protons
and neutrons in nuclei
1
10-15 m
Electromagnetic
force
Force between
charged particles. Follows
inverse-square law.
10-2
Infinite
Weak force
Responsible for
certain types of radioactive decay
10-13
10-18 m
Gravitational force
Force between
all objects. Determined by magnitude
of masses and separation. Follows
inverse-square law.
10-38
Infinite
So gravity is one of the four fundamental
forces of nature. We will learn about
the other three in Physics II. Some interesting things to note about the
gravitational force:
·
In a relative
sense, it is the weakest of the four fundamental interactions. Even so, gravity is largely responsible for
the dynamics of our solar system, galaxy, and the Universe as a whole.
·
Gravity acts over
an infinite distance. Objects may be
separated by thousands of light years, but they experience gravitational
attraction.
·
Gravitational
interactions obey the inverse-square law.
·
Coulomb's Law
dictating the force between two charged particles is also an inverse-square
relationship.
In this lab, you will perform experiments
that illuminate the concept of gravitational interaction.
This activity is based on Lab 10 of the
eScience Lab kit.
Our lab consists of two main
components. These components are
described in detail in the eScience manual.
Here is a quick overview:
Experiment 1: In the first part of the lab, you will subject
a variety of objects to the force of gravity and discuss your
observations.
Experiment 2: In the second part of the lab, you will use a
flashlight as an analogy to demonstrate the inverse-square law of gravity.
Take detailed
notes as you perform the experiment and fill out the sections below. This document serves as your lab report. Please include detailed descriptions of your
experimental methods and observations.
Date:
Student:
Abstract
Background
Objective
Hypothesis
Introduction
Material and Methods
Results
Based on your
results from the experiments, please answer the following questions:
Experiment
1: Falling in a Gravitational Field
The
following expression for the acceleration due to gravity works well for
objects near the Earth’s surface (G is the gravitational constant, Me
is the mass of the Earth, and Re is the radius of the Earth):
Use the
above equation to calculate the gravitational acceleration at an altitude
of 100,000 meters above the Earth. By what percentage is this acceleration
different from that on the Earth's surface?
How
does air resistance alter the way we perceive falling objects?
Using the universal law of gravitation, show that the
gravitational acceleration experienced by an object is independent of its
mass.
Experiment
2: Inverse Square Law
Data table
Distance from wall
Diameter of light circle
Radius of light circle
Area of light circle
NOTE: Be sure to specify your units.
1.
How
did the intensity (brightness) of the circle of light seem to changes as you
increased the source distance?
2.
How
did the area of the circle of light change as you moved farther away? How does
this relate to the gravity field of a body?
3.
Make
a plot of distance vs. area for the light shining from the cup to the wall
(plot the area data on the y‐axis).
4.
Draw
a line of best fit through your data points, and comment on the general shape
of your plot. What kind of relationship
does this indicate (i.e. linear, exponential, logarithmic, etc.)?
5.
If
the amount of light shining from the flashlight is constant, the intensity of
light should decrease as the area it shines on gets larger. Using your plot from
question 2, sketch an approximate plot for light intensity vs. distance.
6.
If
you moved too far away from the wall the circle of light probably became very
difficult to see. Is the intensity of the light circle ever zero? Is it correct
to say that gravity doesn’t exist between objects on opposite sides of the
galaxy?
Conclusions
References
7 pages
Practice Worksheet 10
Practice worksheet for Unit 10 – Acids and Bases and Equilibrium. 1. Indicate whether each of the following statements i ...
Practice Worksheet 10
Practice worksheet for Unit 10 – Acids and Bases and Equilibrium. 1. Indicate whether each of the following statements is characteristic of an acid, ...
7 pages
Diels Alder Lab
For this assignment, the target compound that you should synthesize using Beyond Labz is bicyclo[2.2.1]hepta-2,5-diene-2,3 ...
Diels Alder Lab
For this assignment, the target compound that you should synthesize using Beyond Labz is bicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylic acid dimethyl ...
Part 2 Only: Using the information below, build a phylogenetic tree for the organisms listed.
Organisms A, B,
C, D, E, F, G, and H are newly discovered species of bacteria from deep-sea
vents. You have sequenced th ...
Part 2 Only: Using the information below, build a phylogenetic tree for the organisms listed.
Organisms A, B,
C, D, E, F, G, and H are newly discovered species of bacteria from deep-sea
vents. You have sequenced the DNA of each organism and have isolated a region
of each organism’s genome that may be promising in constructing a phylogenetic
tree. Your colleague has constructed the beginning of the tree and your goal is
to finish it! Use the nucleotides given to fill out the common characteristics
for the organisms. Some have already been done for you!See Attached
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