Energy enables physical work to be done. Energy Efficiency useful energy out.
5n Physics Ray Notes 2009 Physics Formulas Physics Classroom Physics And Mathematics
P E.
Energy formula physics gcse. E e for a spring with a spring constant k and an extension e. KE mv 2. Required practical activity 3.
Kinetic Energy 05 x mass x velocity 2. Energy mass 2grav. 123 if the number of red photons and the number of blue photons striking the area A is the same then the blue spotlight illuminates the area A in the diagram with more energy.
GPE mass x gravity x height. Work done force x distance. From the Physics Equation Sheet.
So what is energy. Energy transferred power. These are perfect for students to work through in lessons or independently at home.
The questions on this page test your ability to use the formula. GCSE Physics Electricity Word Equation Symbol Equation Units Power Potential Di erence Current P V I WVA Potential Di erence Current Resistance V I R VA. An apple has Gravitational Potential Energy E P 12J and a mass m200g calculate its height h above the ground.
The power of a device depends on the voltage and current of the device. Total energy in x 100. W F x d.
Energy voltage x current x time. Potential difference current resistance V I R potential difference V in volts V current I in amperes A amp is acceptable for ampere resistance R in ohms Ω This equation gets used a lot. Potential difference AQA GCSE Physics Equations.
Q I x t charge current x time. P V x I power voltage x current. Often you have to do both.
Energy Resources FREE -The resources we use for electricity generation heating and transport Non-renewable Resources FREE - Coal oil gas and nuclear fission Renewable Resources FREE - Wind solar hydro wave and tidal. Most students are very good at naming different types but are generally bad at an overall definition. The energy arriving at a surface will depend on the number of photons striking the surface and the energy of each photon.
BftexttextbfElastic Potential Energyfrac12timestexttextbfspring constanttimestexttextbfextension2 E_efrac12ke2. Power frac workdone time power frac W t This is when. You may also wish to learn the formula in characters.
For example a photon of blue light has more energy than a photon of red light so in Fig. To do this we have to rearrange the GPE equation. Total cost number of units x cost per unit.
Here the unit is Joules J because we are calculating an energy. He climbs 12 m up a tree. You may be given the GPE and be asked to find the mass or height of the object.
Time energy transferred charge flow. E V x Q energy voltage x charge. Sunday March 25 2012.
07032018 This format of worksheet is used for all my GCSE Physics formula based resources. Charge Current time Q I t C A s Energy Potential Di erence Charge E V Q J V C Energy Word Equation Symbol Equation Units Grav. You can use it on the whole circuit or just on single components.
Internal Energy Formula Physics Gcse. They were created and then honed on weaker pupils who find it challenging to apply mathematics in Physics. Formulae specification 8463.
The two most important equations in electricity are given below. Click on an equation below for more information. Worksheets to support all areas of GCSE Physics.
Each worksheet can be printed out for use in class or viewed on mobile devices - they also include a set of answers and a video with explanations and how to approach that style of question. Power is the rate of energy transfer the amount of energy transferred per second. The power of an electrical component or appliance is given by the equation.
Power P is measured in watts W work done W is measured in joules J. Students can make it to university before being able to define energy. T power energy.
Energy voltage x charge. A boy has a mass of 55 kg. Perhaps the most amazing thing about it is that it is so poorly understood.
E V x I x t energy voltage x current x time. The familiar format used for each topic with formulae puts the pupils at ease and they feel comfortable in using new formula in this way. Change in GPE mass.
V I x R voltage current x resistance. E V x I x t. The equation used to calculate power is.
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