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Welcome back to Physics 215

Welcome back to Physics 215

Welcome back to Physics 215. Today ’ s agenda: Work Non-conservative forces Power. Current homework assignment. HW7: Knight Textbook Ch.9: 54, 72 Ch.10: 48, 68, 76 Ch.11: 50, 64 Due Wednesday, Oct. 22 nd in recitation. Work, Energy. Newton ’ s Laws are vecto r equations

By bernad
(493 views)

Chapter 8. Potential Energy and Energy Conservation

Chapter 8. Potential Energy and Energy Conservation

Chapter 8. Potential Energy and Energy Conservation. 8.1. What is Physics?       8.2. Work and Potential Energy       8.3. Path Independence of Conservative Forces       8.4. Determining Potential Energy Values       8.5. Conservation of Mechanical Energy      

By libitha
(618 views)

The Law of Conservation of Energy

The Law of Conservation of Energy

The Law of Conservation of Energy. Energy cannot be created or destroyed; it may be transformed from one form into another, but the total amount of energy never changes. What is energy?. “the ability to do work” The combination of energy and matter make up the universe:

By Samuel
(1144 views)

WORK AND ENERGY

WORK AND ENERGY

WORK AND ENERGY. CHAPTER 9. 9.1 WORK, POWER, AND MACHINES. This is an ad which used a Rube Goldberg type application….many simple machines working together to accomplish a simple task: http://www.daboyz.org/honda/

By modesty
(208 views)

Potential energy

Potential energy

Potential energy. Potential energy is the stored energy of position possessed by an object. For example, the heavy ball of a demolition machine is storing energy when it is held at an elevated position. . 2 Types of potential energy. Gravitational Energy Elastic Potential Energy.

By karl
(302 views)

Physics 2113 Lecture 01: WED 14 JAN

Physics 2113 Lecture 01: WED 14 JAN

Physics 2113 Jonathan Dowling. Physics 2113 Lecture 01: WED 14 JAN. Isaac Newton (1642–1727). CH13: Gravitation I. Michael Faraday (1791–1867). Version: 10/21/2019. Who am I & Why am I Here?. Prof. Jonathan P. Dowling. 1994–98: Research Physicist, US Army Aviation & Missile Command

By mieko
(377 views)

Lecture 25

Lecture 25

Lecture 25. Jupiter and 4 of its moons under the influence of gravity Goal: To use Newton’s theory of gravity to analyze the motion of satellites and planets. Exam results. Mean/Median 59/100 Nominal exam curve A 81-100 AB 71-80 B 61-70 BC 51-60 C 31-50 D 25-30

By meryle
(148 views)

PHYS 1443 – Section 001 Lecture #10

PHYS 1443 – Section 001 Lecture #10

PHYS 1443 – Section 001 Lecture #10. Thursday June 16, 2005 Dr. Andrew Brandt. Energy Diagram and Equilibrium Gravitational Potential Energy Power Test. Announcements. Test today at 8:50 I plan to post interim grades on Web Friday afternoon Homework: HW6 on ch 7 due Monday 6/20 at 8pm

By lorant
(145 views)

Gravitational Potential Energy and Conservative vs. Nonconservative Forces

Gravitational Potential Energy and Conservative vs. Nonconservative Forces

Gravitational Potential Energy and Conservative vs. Nonconservative Forces. 6.3 and 6.4. Work Done by Gravity. Force of gravity near the earth is weight Weight = mg (direction is down) Work = Fs (direction of s must be down) Work = mg(h 0 – h f ). Work Done by Gravity.

By lassie
(284 views)

13.6 Gravitational Potential Energy

13.6 Gravitational Potential Energy

13.6 Gravitational Potential Energy. Gravitational Potential Energy. In Chapter 8: U = mgy (Particle-Earth). Valid only when particle is near the Earth’s surface.

By naomi
(766 views)

Notes 12 – Forms of Energy Part 1

Notes 12 – Forms of Energy Part 1

Notes 12 – Forms of Energy Part 1. States of Energy. Energy exists in two basic states: 1. potential 2. kinetic Potential energy is stored energy Kinetic energy is motion energy Potential and kinetic are NOT OPPOSITES. What is Potential Energy?. Stored energy that must be released

By sloan
(371 views)

Newton and Kepler

Newton and Kepler

Newton and Kepler. Newton’s Law of Gravitation . The Law of Gravity Isaac Newton deduced that two particles of masses m 1 and m 2 , separated by a distance r, will attract each other with a force

By giza
(159 views)

Energy can change from one form to another without a net loss or gain.

Energy can change from one form to another without a net loss or gain.

Energy can change from one form to another without a net loss or gain.

By kerri
(262 views)

Work and Energy

Work and Energy

Work and Energy. Work and Energy. Energy can be given to, or taken from an object by doing work. To understand this better, let’s brainstorm some types of energy…. Types of Energy. Brainstorm!. Potential Energy (Gravitational). An object has energy because of how high it is.

By britain
(75 views)

Power, 			and Efficiency

Power, and Efficiency

Power, and Efficiency. Physics 11. Power. The rate at which work is done. OR The rate at which energy is transferred. Power. Formula: Symbol: P Units: Watts (W) NOTE: 1 Watt = 1 Joule/second. Power.

By della
(181 views)

Law of Conservation Of Energy

Law of Conservation Of Energy

Law of Conservation Of Energy. GLE 0607.10.3 Explain the principles underlying the Law of Conservation of Energy. The Law of Conservation of Energy.

By leena
(202 views)

Renewable Energy

Renewable Energy

Renewable Energy. PHYS 331 – A Recap of Semester Spring 2019 Prof. Geller. Concepts For Understanding Energy. Work Potential Energy Kinetic Energy Conservation of Energy Types/Sources of Energy. Work is Force times distance. Definition of work

By miracle
(540 views)

Thursday, February 16th

Thursday, February 16th

Thursday, February 16th. Mechanical Energy. Today’s Goals. Goal 1: SWBAT use the Law of Conservation of Energy to explain why a situation in which mechanical energy is lost cannot be possible. Goal 2: SWBAT determine points of high KE or PE and low KE or PE in real-life situations.

By bijan
(152 views)

Phys 102 – Lecture 4

Phys 102 – Lecture 4

Phys 102 – Lecture 4. Electric potential energy & work. Today we will. Learn about the electric potential energy Relate it to work Ex: charge in uniform electric field, point charges Apply these concepts Ex: electron microscope, assembly of point charges, dipole energy. Potential energy.

By bozica
(97 views)

Chapter 4 Making Sense of the Universe: Understanding Motion, Energy, and Gravity

Chapter 4 Making Sense of the Universe: Understanding Motion, Energy, and Gravity

Chapter 4 Making Sense of the Universe: Understanding Motion, Energy, and Gravity. 4.3 Conservation Laws in Physics:. Our goals for learning: Why do objects move at constant velocity if no force acts on them? What keeps a planet rotating and orbiting the Sun?

By yuri
(201 views)

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