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Beschreibung
Mindmap von Julian Olsen, aktualisiert more than 1 year ago
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Erstellt von Julian Olsen
vor etwa 7 Jahre
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Physics (igcse cambridge) end of year
exam
- Phsics formular
- density= mass/volume
- speed=distance/time
- acceleration=change in velocity/time taken
- Force=mass*acceleration
- Equilibrium is force on a pived is he same on bove sides
- Moment of a force = force*perpendicular distance from the pivot to force
- pressure=force/area
- F=Kx (Hooke´s law)
- g.p.e.=mg*h (gravitational potentual energy)
- k.e.=1/2mv² (kinetic energy)
- workdone= energy transferred
- workdone= force *distence moved
- W=F*d=^E
- W=F*d=^E
- power=workdone/time taken
- P=W/t
- P=W/t
- power=energy transferred/time taken
- P=^E/t
- P=^E/t
- wave speed: speed=frequancey *wavelength
- density= mass/volume
- bronian motion
- is smoke being hit bye are partials
- is smoke being hit bye are partials
- Thermometer
- two fixed points. mealting point (0°) and boiling point(100°)
- two fixed points. mealting point (0°) and boiling point(100°)
- waves
- sound waves, speed is 330m/s (air). speed in solids is 1000 to 5000 m/s
- Hz is frequany of the wave
- more Hz higher pitch
- the 20Hz to 20kHz we can hier
- greater the amplitude, the louder the sound
- sound can not travel through a vacum
- waves transfer energy without transferring matter
- sound waves, speed is 330m/s (air). speed in solids is 1000 to 5000 m/s
- light
- the speed of light in a vacuum is 3 million m/s
- the speed of light in a vacuum is 3 million m/s
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