Standard EPS Shell Presentation

Standard EPS Shell Presentation

7.3 Conservation of Energy The idea that energy tranforms from one form into another without a change in the total amount is called the law of conservation of energy. The law of energy conservation says the total energy before the

change equals the total energy after it. 7.3 Conservation of Energy When you throw a ball in the air, the energy transforms from kinetic to

potential and then back to kinetic. Solving Problems A 2 kg car moving with a speed of 2 m/sec starts up a hill. How high does the car roll

before it stops? Solving Problems 1. Solution Find beginning EK EK = (2 kg) (2 m/s)2 = 4 Joules Assume energy before = energy after

EK = EP EP =mgh 4 J = mgh h = (4 Nm)/(2 kg)(9.8 N/kg) = .2 m A 3.0-kilogram toy dump truck moving with a speed of 2.0 m/s starts up a ramp. How high does the truck roll before it stops?

A 2.0-kilogram ball rolling along a flat surface starts up a hill. If the ball reaches a height of 0.63 meters, what was its initial speed? A 500.-kilogram roller coaster starts from rest at the top of an 80.0-meter hill. What is its speed

at the bottom of this hill? Find the potential energy of this roller coaster when it is halfway down the hill. A 2.0-kilogram ball is tossed straight up with a kinetic energy of 196 joules. How high does it go?

A 50.-kilogram rock rolls off the edge of a cliff. If it is traveling at a speed of 24.2 m/s when it hits the ground, what is the height of the cliff?

Recently Viewed Presentations

  • Geography Conference, Canberra 20th July 2006 Methods for

    Geography Conference, Canberra 20th July 2006 Methods for

    Literacy Earthquakes Group work Introduction - Movie maker ICT task: Movie maker Cyclones Individual Introduction - Moviemaker Case Study - Cyclone Larry Powerpoint Media File online research On the ground roving reporter.
  • Journals & Vocabulary Week 1

    Journals & Vocabulary Week 1

    After the storm, the beach was littered with driftwood and other debris. Please guess the definition…-scattered pieces of waste or remains. debris is a noun. synonyms: rubbish, litter. antonym: items of value. Now please write a sentence with context clues...
  • The greatest blessing in life is in giving

    The greatest blessing in life is in giving

    The greatest blessing in life is in giving and not taking. Statistical Package Usage Topic: Simple Linear Regression By Prof Kelly Fan, Cal State Univ, East Bay Overview Correlation analysis Linear regression model Goodness of fit of the model Model...
  • IDEM Electronic Reporting for EPCRA (SARA Title III)

    IDEM Electronic Reporting for EPCRA (SARA Title III)

    Forgotten Usernames. Forgotten Passwords. Contact IDEM E-Services. Here, the user will enter the username for the account. When "Submit" is clicked, it will send an email with a new password to the account holder almost instantly.
  • New Ofqual Grading Scale A S S E

    New Ofqual Grading Scale A S S E

    Skills Guides - OCR have produced a set of skills guides that aren't subject specific, but each cover a topic that could be relevant to a range of qualifications - for example 'presentation skills', 'testing' and 'communication'. Feedback highlights they...
  • Fantasy & Sci-Fi Genres

    Fantasy & Sci-Fi Genres

    Chris D'Lacey. J. K. Rowling. E. B. White. Rick Riordan. Brandon Mull. Popular Fantasy Series. Wings of Fire: Dragonet Prophecy. The seven dragon tribes have been at war for generations, locked in an endless battle over an ancient, lost treasure....
  • Assessment in Reception - Greysbrooke Primary School

    Assessment in Reception - Greysbrooke Primary School

    Until last year the way teachers did this varied, last year the government introduced 3 standardised Baseline testing providers (this may change again). At Greysbrooke this year we have used the CEM (Centre for Evaluating and Monitoring) baseline test from...
  • Design and Development-Major. New Product to design variation.

    Design and Development-Major. New Product to design variation.

    Verify: In house- Mechanical endurance, Contact resistance, Time Interval,H.V, Megger, Shunt Coil, Charging Motor Resistance Value & Mechanical overall check. Validate: Type testing at IIT Chennai.