E NERGY C ALCULATIONS. W ARM U P Complete the Renewable Energy Pie Chart: Round to the nearest whole number  Petroleum36%  Natural Gas27.34%  Coal18.27%

Slides:

Advertisements

Similar presentations

TRASKET BALL FEATURING THE BRIGHT STUDENTS OF MS. WILLIAMS.

Advertisements

Energy. A. Energy Definition The ability to do work.

THE NATURE OF ENERGY IPC Notes. ENERGY Energy is involved in every change that occurs Energy can be found in many different forms ex) thermal, electrical,

By-Tanmaye Gupta ENERGY IGCSE PHYSICS What is Energy? Energy is the capacity to do work. The S.I. unit of energy is Joules 1Joule = 10 7 erg

LESSON 3 – KE and PE (4.2) LEARNING OUTCOMES: State and be able to use the equation: change in gravitational potential energy (PE) = mass (m) x gravitational.

Chapter 15 Energy.

ENERGY and its FORMS (15.1). energy : the ability to do work work: the transfer of energy - energy is transferred by a force moving an object through.

Types of Energy Sections What is energy? Energy is the ability to do work Like work, energy is measured in joules (J) What are some examples.

Energy Ch. 13 pg Objectives Describe how energy, work, and power are related. Name and describe the two basic kinds of energy.

Energy Book Chapter 15. Energy Work is a transfer of energy. Mechanical energy is when objects have the ability to do work. There are two types of mechanical.

Energy. Energy & Work Closely related Energy: ability to do work Work: transfer of energy Both measured in Joules.

Unit 5 – Lecture 1. Energy Energy – the ability to do work the ability to cause change measured in joules symbol: [as in.. E = mc 2 ] E.

"The ability of a body to perform work is, Energy". The unit of energy is, joule (J). Larger unit of energy is kilo joule (kJ). 1 kJ = 1000 J. There are.

Kinetic and Gravitational Potential Energy

Unit 2 Lesson 2 Kinetic and Potential Energy

Work and Energy.

Energy. What is energy?  Every change that occurs… big or small… requires energy.  When something is able to change its environment or itself, it has.

WORK AND ENERGY. POTENTIAL ENERGY An object can store energy as the result of its position Potential energy is the stored energy possessed by an object.

Unit 4 Lecture Chapter 15.

Energy (chapter 5) Energy – the ability to do work Electrical, thermal, chemical, etc.

G RAVITATIONAL AND P OTENTIAL E NERGY, AND K INETIC E NERGY Lesson 2.

Chapter 15 Sections 1-2.  Energy is the ability to do work.  Energy is measured in Joules, just like work.

Chapter 5.1 The Nature of Energy

The ability to make something happen, to create a change

Types of Energy Sections What is energy? Energy is the ability to do work Like work, energy is measured in joules (J) Forms of energy- light,

1 Stored Energy Energy of Position Working Energy Energy of Motion.

O BJECTIVES D AY 2 1. I will know (knowledge): that kinetic energy is energy of motion. 2. I will know (knowledge): that potential energy is energy.

Chapter 15 - Energy Energy and Its Forms Energy is the ability to do work. Work is the transfer of energy  Work = force x distance.

Physical Science Coach Kelsoe Pages 444–468 C HAPTER 15: E NERGY.

Physics Section 5.2 Define and apply forms of mechanical energy. Energy is the ability to do work. Kinetic energy is the energy of an object due its motion.

 Energy is the ability to do work or cause change.  When work is done energy is transferred to the object.  The unit for energy is the JOULE.

“Positive” and “Negative” Activity Physics. The Many Forms of Energy Section 11.1 Physics.

Chapter 15: Energy. Energy The ability to do work Work is a transfer of energy Metric unit Joule (j) Types of energy Kinetic: moving Potential: not moving.

Energy Chapter 15.

Energy and Its Forms Energy = ability to do work Work = when a force moves an object through a distance, transfer of energy.

Potential and Kinetic Energy Understanding the cyclic nature of potential and kinetic energy.

What is Energy?. The ability to do work or cause change.

Unit 2 Lesson 2 Kinetic and Potential Energy

Monday, August 21, 2017 LT: Students will understand PE and KE.

Topic: Kinetic and Potential Energy

Energy Section 14.3 Energy.

PE Definition Stored Energy Energy due to position.

Unit 2 Lesson 2 Kinetic and Potential Energy

Forces in Motion Part II.

Unit 2 Lesson 2 Kinetic and Potential Energy

Energy Chapter 4.

Think Pair Share As the girl swings back and forth, describe her potential energy and kinetic energy at A, B, and C. A C B.

Unit 6 Types of Energy 6.1.

Describing Energy.

April 8, 2009 What is the potential energy in the following situations: 4 kg object at a height of 6 m 4 N object at a height of 6 m Fill in the blanks:

Potential and Kinetic Energy

Nature of Energy Chapter 4.1.

Energy Chapter 4.

Potential Energy.

Distinguish between kinetic and potential energy.

April 7, 2009 Study for 5 min for your quiz.

Gravitational Potential Energy

Physical Science Ch. 15: Energy.

**Bring up your Work and Power Lab to hand in for credit!**

Science 9 Chapter 4: Energy

Physical Science: Chapter 13 Section 3: Energy

Kinetic and Potential Energy

GRAVITATIONAL POTENTIAL & KINETIC ENERGY

Energy is the ability to do work or cause change.

Warm up 11/10/16 In composition book

Ch 4 Energy Kinetic Energy (KE) – the energy a moving object has because of its motion; depends on mass and speed of object KE = mv2/2 Joule – SI unit.

GRAVITATIONAL POTENTIAL & KINETIC ENERGY

Presentation transcript:

E NERGY C ALCULATIONS

W ARM U P Complete the Renewable Energy Pie Chart: Round to the nearest whole number  Petroleum36%  Natural Gas27.34%  Coal18.27%  Uranium8.46%  Biomass4.54%  Hydropower2.83%  Geothermal, Solar, Wind2%  Propane1%

M ECHANICAL E NERGY Energy possessed by an object due to its motion or position ME= Potential Energy + Kinetic Energy ME= PE + KE

K INETIC E NERGY Energy in Motion Calculating Kinetic Energy You must know the mass and velocity KE= mass x velocity² or KE= ½mass x velocity² 2

P OTENTIAL E NERGY Potential Energy Stored Energy or the energy an object has due to its position or shape

G RAVITATIONAL P OTENTIAL E NERGY Gravitational Energy Potential energy caused by gravity Calculating Potential Energy/Gravitational PE GPE= mass x gravitational acceleration x height GPE= mgh gravitational acceleration= 9.8 m/s² g= 9.8 m/s²

L ETS P RACTICE **Unit for Energy is Joule= J An 80kg man is jogging at a rate of 4m/s. What is his kinetic Energy KE= ½ x mass x velocity² KE= ½ x 80kg x (4m/s)² KE= ½ x 80 x 16 KE= 40 x 16 KE= 640 J

L ETS P RACTICE What is the gravitational potential energy of a 2kg object that is 30m above the surface of the earth? What are you solving for? GPE = mgh GPE= 2 x 9.8 x 30 GPE = 588J

L ETS P RACTICE What is the mass of a baseball that has kinetic energy of 100 J and is traveling at 5 m/s? KE= ½ (mass)(velocity²) m= 2 x KE v² m= 2 x m = 8 kg

C LASS W ORK Complete Kinetic and Potential Energy WS Show your work for all problems Make sure to use the correct unit I will check this assignment.