39613756
Descripción
Fichas por Nicole Kipchumba, actualizado hace 6 meses
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Creado por Nicole Kipchumba
hace 6 meses
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| Pregunta | Respuesta |
| kinetic energy calculation | 1/2 x m x v |
| velocity calculation | square all numbers 2 x Ek / mass |
| energy efficiency calculation | useful energy output / intended input x by 100% |
| force calculation | m x a |
| what formula do we use to calc the speed that an object travels at? | velocity calculation 2 x Ek / m (square all numbers) |
| what formula do we use to calc the mass that an object travels at? | m = 2 x Ek / v |
| work calculation | F (force) x S (Speed) |
| weight calculation | M (mass) x G (gravity) |
| what is energy? | Energy is the ability to do work |
| what are the main types of energy? (relevant options) | gravitational potential energy (Ep) energy efficiency (E.E) kinetic energy (Ek) |
| what are the calculations of each type of energy? | Ep = m x g x h E.E = energy output/energy input x 100% K.E = 1/2 x m x v |
| what is the law of conservation of energy? | Energy cannot be created or destroyed but can be transformed into other forms of energy. |
| what is an energy transformation? | Energy transformations is a process that converts energy from one type to another. Any type of energy must contain a transformation. This is also called thermodynamics. EXAMPLE : Rubbing hands together to make them warm is Kinetic energy ---> Thermal energy |
| What is Newton's FIRST law? | An object will remain in a state of constant motion unless an unbalanced force acts on it. This means that an object travelling at a constant velocity can only change its speed or direction if an unbalanced force acts on it. |
| what is inertia? | Inertia is the tendency of an object to resist a change in its motion. |
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