20047011
Description
Flashcards by Malachy Moran-Tun, updated more than 1 year ago
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Created by Malachy Moran-Tun
over 4 years ago
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| Question | Answer |
| What is the Equation for Change in Gravitational Potential Energy | ΔGPE = mgΔh Where Δ is "change in" |
| What is the Equation for Kinetic Energy | KE = 0.5mv² |
| Y'know what Sankey Diagrams are? | no? well too bad nerdn't ye? good. |
| State the Law of the Conservation of Energy | "Energy may not be created nor destroyed, however thou shall allow thee energy to be transferred between types" |
| State the energy transfers of an object moving up a slope | (Chemical) -> (Electrical) -> Kinetic -> GPE |
| State the energy transfers of an object hitting an obstacle | Kinetic -> Sound, Thermal |
| State the energy transfers of an object being accelerated by a constant force | Chemical -> (Electrical) -> Kinetic |
| State the energy transfers of a vehicle slowing down | Kinetic -> Thermal, Sound |
| State the energy transfers in an electric kettle boiling because we're fookin' british m8. | Chemical -> Electric -> Thermal, Sound -> (Kinetic) |
| Why does the total energy in a system stay the same? | Energy is transferred between the different parts of the system, but overall it stays the same as no energy is going in or out of the system. |
| Energy is dissipated into the ________ | surroundings |
| What can stop energy being used in less useful ways? | Lubrication Insulation |
| What is the Equation for Efficiency? | Efficiency = useful energy ----------------- total energy |
| How can efficiency be increased? | Reducing energy dissipation so there's another flashcard for the rest heheheheh seriously it's basically the same question |
| ALRIGHT SO RENEWABLE ENERGY IS STUPID...LY ANNOYING TO LEARN SO USE A REVISION GUIDE OK GOODNGIHT | krujmhgkfdkgunfnhjdfhjghnmjmfbnjeyhbyjvgvxcjyngvyjfgnyudndujdhhhellotherejgkldhkjgnjsdfchjgnhvhdvjgfnjhvsnjmhgdjcmjhgvhgoodbyeherejfkdjgkjhdjsfghjunsdfnhgjnsdnhfgj |
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