This document provides an overview of a physics lesson on kinematics and constant velocity. It discusses key concepts like frame of reference, vector vs scalar quantities, distance vs displacement, speed vs velocity. It describes activities like using motion maps, collecting position-time data, and graphing and interpreting position-time and velocity-time graphs. The class involves group work, discussions, worksheets and a lab activity to measure and analyze constant velocity motion.
Dear Students of grade 8, this presentation has been made for you to revise, and to copy what would you miss out of your class work. I hope to be useful for all of you.
this is my presentation about 2nd law of thermodynamic. this is part of engineering thermodynamic in mechanical engineering. here discussed about heat transfer, heat engines, thermal efficiency of heat pumps and refrigerator and its equation for perfect work done with best figure and table wise discription, entropy and change in entropy, isentropic process for turbines and compressor and many more.
The following presentation consists of information on limitation of 1st law, introduction to 2nd law, kelvin planks statement, Clausius statement, PPM 2, Carnot cycle, Carnot heat engines, etc
this article covers discussion of variable area flow meter. also it speaks about turbine flow meter, target flow meter, magnetic flow meter, vortex flow meter, ultrasonic flow meter, thermal flow meter.
Dear Students of grade 8, this presentation has been made for you to revise, and to copy what would you miss out of your class work. I hope to be useful for all of you.
this is my presentation about 2nd law of thermodynamic. this is part of engineering thermodynamic in mechanical engineering. here discussed about heat transfer, heat engines, thermal efficiency of heat pumps and refrigerator and its equation for perfect work done with best figure and table wise discription, entropy and change in entropy, isentropic process for turbines and compressor and many more.
The following presentation consists of information on limitation of 1st law, introduction to 2nd law, kelvin planks statement, Clausius statement, PPM 2, Carnot cycle, Carnot heat engines, etc
this article covers discussion of variable area flow meter. also it speaks about turbine flow meter, target flow meter, magnetic flow meter, vortex flow meter, ultrasonic flow meter, thermal flow meter.
This is a lesson about distance and displacement. activities are provided. Distance is the measure of “how much ground an object has covered during its motion” while displacement refers to the measure of “how far out of place is an object.” In this article, let us understand the difference between distance and displacement.
What Is Distance?
Distance is the total movement of an object without any regard to direction. We can define distance as to how much ground an object has covered despite its starting or ending point.
Let’s understand the concept of distance with the help of the following diagram:
Boy cycling his way back home from a reference point A crossing point C to get to point B
Explanation of distance
Distance here will be = 4m + 3m + 5m = 12 m
Distance Formula
How is Displacement defined?
Displacement is defined as the change in position of an object. It is a vector quantity and has a direction and magnitude. It is represented as an arrow that points from the starting position to the final position. For example- If an object moves from A position to B, then the object’s position changes. This change in the position of an object is known as Displacement.
Connector Corner: Automate dynamic content and events by pushing a buttonDianaGray10
Here is something new! In our next Connector Corner webinar, we will demonstrate how you can use a single workflow to:
Create a campaign using Mailchimp with merge tags/fields
Send an interactive Slack channel message (using buttons)
Have the message received by managers and peers along with a test email for review
But there’s more:
In a second workflow supporting the same use case, you’ll see:
Your campaign sent to target colleagues for approval
If the “Approve” button is clicked, a Jira/Zendesk ticket is created for the marketing design team
But—if the “Reject” button is pushed, colleagues will be alerted via Slack message
Join us to learn more about this new, human-in-the-loop capability, brought to you by Integration Service connectors.
And...
Speakers:
Akshay Agnihotri, Product Manager
Charlie Greenberg, Host
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After immersing yourself in the blue book and its red counterpart, attending DDD-focused conferences, and applying tactical patterns, you're left with a crucial question: How do I ensure my design is effective? Tactical patterns within Domain-Driven Design (DDD) serve as guiding principles for creating clear and manageable domain models. However, achieving success with these patterns requires additional guidance. Interestingly, we've observed that a set of constraints initially designed for training purposes remarkably aligns with effective pattern implementation, offering a more ‘mechanical’ approach. Let's explore together how Object Calisthenics can elevate the design of your tactical DDD patterns, offering concrete help for those venturing into DDD for the first time!
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During the webinar, you will discover the PowSyBl ecosystem as well as handle and study an electrical network through an interactive Python notebook.
PowSyBl is an open source project hosted by LF Energy, which offers a comprehensive set of features for electrical grid modelling and simulation. Among other advanced features, PowSyBl provides:
- A fully editable and extendable library for grid component modelling;
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The framework is mostly written in Java, with a Python binding so that Python developers can access PowSyBl functionalities as well.
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GraphRAG is All You need? LLM & Knowledge GraphGuy Korland
Guy Korland, CEO and Co-founder of FalkorDB, will review two articles on the integration of language models with knowledge graphs.
1. Unifying Large Language Models and Knowledge Graphs: A Roadmap.
https://arxiv.org/abs/2306.08302
2. Microsoft Research's GraphRAG paper and a review paper on various uses of knowledge graphs:
https://www.microsoft.com/en-us/research/blog/graphrag-unlocking-llm-discovery-on-narrative-private-data/
6. What can we measure?
Science is about Quantitative Descriptions
7. What relationship are we
trying to determine?
From the useful measurements, what is our objective?
To find a relationship between what and what?
8. What should we do with
the data?
So we are making measurements, but what do we do
with them?
• Table? What do we put in the table? So we need
signs for those things, right?
o t=time and x=position (y if vertical)
• When our table is full of data, then what?
o Graph it! We need axes. Which variable goes on which axis?
o Time is independent (x-axis)
o Position depends on the time (y-axis)
• Alright! Let’s do this! Wait, what are we doing?
9. The Breadcrumb Method
How we collect data
Do NOT write down this data. It’s not yours!
• Mark Origin
• Mark Starting Point (different from origin, positive or
negative)
• Sync the stopwatch and the starting of the buggy
(figure it out)
• Use tape tick marks to mark the position of the back
of the buggy every 2 seconds.
10. Jobs
• Meter Stick – grab a meter stick for the group
• Stopwatch – grab a stopwatch for the group
• Taper – grab a role of tape for the group
• Data Collector – take data in a table for the group
11. Whiteboards
With your group, sketch your graph on a whiteboard.
Don’t use a meter stick or make tick marks, make a
general sketch.
Write the equation of line of best fit near your sketch.
When you’re finished, gather around for a … wait for
it… board meeting!
Get it?
12. Board Meeting
Class discussion. Sit so everyone can see the boards.
I’ll help lead the discussion this time, but eventually
you won’t need me as much.
What’s the same about everyone’s boards?
What’s different?
13. The Take Home
Slope of the position-vs-time graph is Velocity.
Positive or Negative tells us direction.
Steepness tells us magnitude.
14. Constant Velocity Particle
Model
Look at all the pieces of our model:
• Verbal piece from our observations
• “Breadcrumb” motion map on the floor/table
• Table of data points
• Position-vs-time graph features
What’s left in the CVPM?
• Velocity-vs-time graphs
16. Homework
“Motion Maps” Reading
It’s 1 page, front and back. There’s a lot of pictures.
Deal with it!
Put ?’s next to words you don’t know. Make notes in
the margin. Come ready to talk about motion maps!
17. Day 2 – Constant Velocity
Sched:
• Starter
• Recap
• Wkst 1
Starter: If you’re driving
on the highway at 70mp…
A. How far down the road
will you be in 3.5 hours?
B. How long will it take
you to go on a 300 mile
trip?
18. And the answers are…
• Starter: If you’re driving on
the highway at 70mp…
• A. How far down the road
will you be in 3.5 hours?
o 245 miles
• B. How long will it take you
to go on a 300 mile trip?
o About 4.3 hours
Objective:
TLWBT read graphs,
table, motion maps
and written
descriptions and
express motion in
graphs, table, motion
maps and written
descriptions
19. Let’s Recap
Frame of Reference
• In order to describe motion, you have to pick a
“frame of reference”
o Frame of reference is always decided by the
observer
o In physics we often use a coordinate axis to
denote our frame of reference.
21. Frame of Reference
• In this frame of reference, up is positive,
right is positive
• Down in negative, as is left
• Hence in physics a negative has no
value, it merely denotes direction
• This is necessary because direction has a
special distinction in physics; it separates
vector quantities from scalar quantities
22. Vector vs. Scalar
• A Scalar Quantity is one that has only magnitude
– distance is a scalar
o Example: If you travel 500 miles that is a
distance
• A Vector Quantity is one that has magnitude
and direction – displacement is a vector
o Example: If you travel 500 miles North this is
displacement
23. Distance and
Displacement
• Distance is a scalar. Think about a pedometer or an
odometer.
o Example: If you travel 500 miles that is a distance
• Displacement is a vector. Displacement is the
shortest path from start to finish. “As the crow flies.”
o Example: If you travel 500 miles North this is
displacement
24. Distance and
Displacement
Let’s say you walk 5m to the right, 3 meters up, another 5
meters to the right, and finally 4 meters up.
Your distance is the total meters you walked: 17m.
Your displacement is simply the difference between finish
and start: ~12m.
5m
5m
3m
4m
~12m
25. Speed and Velocity
If you divide distance by time you get average
speed (scalar)
• Example: S = D/t = 500 miles/2 hours =250 mph
If you divide displacement by time you get
average velocity (vector)
• Example: Vavg = Δx/Δt = 500 miles North/2 hours
= 250 mph North
28. Whiteboard Worksheet 1
I will present a problem from the worksheet.
In groups, you will talk through and solve the problem
on the whiteboard. Really work through it and make
sure each group member really understands.
We will talk about answers and misconceptions. Then,
as a class we can write correct answers and ideas on
our worksheets.
29.
30.
31.
32. Day 3 – Constant Velocity
Sched:
• Starter
• Check Wkst1
• V vs T graphs
• Wkst2
TLWBAT interpret and draw V vs. T
Graphs.
Starter: How far does your
car travel when you one-
handedly text “LOL” to your
friends.
34. Whiteboard Worksheet2
In groups, you will talk through and solve the problem
on the whiteboard. Really work through it and make
sure each group member really understands.
We will talk about answers and misconceptions. Then,
as a class we can write correct answers and ideas on
our worksheets.
36. Day 4 – Constant Velocity
Sched:
• Starter
• Motion
Detector Lab
• Quiz?
TLWBAT
reenact
physically any
motion given
in a prompt.
Starter: Find the total distance
covered and total displacement.
37. Buggy Lab Part 2
Battle Royale
2m
Where will they hit
each other?