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# Finishing Roller Coasters And Relativity Internet

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### Finishing Roller Coasters And Relativity Internet

1. 1. Finishing Roller Coasters and Relativity Revising all the stuff we have learnt
2. 2. What we are going to achieve today Remember all the equations you have learnt Create your own roller coaster Calculate the energy, work, potential energy and kinetic energy What is the biggest bend on the track you can make?
3. 3. You say we pay
4. 4. Equation sheet Work = Force x Distance Power = Work / Time Electrical Energy = Current x Time x Voltage Electrical Power = Current x Voltage Potential energy = mass x gravity x height Kinetic energy = ½ mass x Velocity 2 Match the equations on the sheets Boys verses girls
5. 5. Making your roller coaster <ul><li>You will design and make your rollercoaster </li></ul><ul><li>The first slope will be all the energy you are allowed – you are not allowed to push the marble </li></ul><ul><li>Try and make a loop </li></ul><ul><li>Have a corner to test the turning forces theory </li></ul>
6. 6. Answer these questions in your book <ul><li>Calculate the potential energy at the top of the hill </li></ul><ul><li>Calculate the velocity at the bottom of the first hill </li></ul><ul><li>What is the biggest bend you can make with out the marble coming out? What are the factors </li></ul>V = 2gh What factors will give you the most exciting roller coaster? Rate yours and another groups rollercoaster out of ten
7. 7. <ul><li>What would happen if your roller coaster could travel near the speed of light? </li></ul><ul><li>Time </li></ul><ul><li>Distance </li></ul>Relativity
8. 8. Stop the bomb <ul><li>1) What is the work done by moving a 500g box 8 metres? </li></ul><ul><li>2)What is the power if it takes 2 seconds to move the box? </li></ul><ul><li>3) What is the energy transfer of a motor when I = 0.5A, V = 4V t = 1 minute (3 digits) </li></ul><ul><li>4) what is the electrical power? </li></ul><ul><li>5)what is the potential energy of a 0.5 kg block 1 metres off the floor? </li></ul><ul><li>6)What is the kinetic energy of a 0.5 kg rabbit with a velocity of 2 m/s </li></ul>
9. 9. The code <ul><li>4,2,120,2,5,1 </li></ul>