3185840
Beschreibung
Mindmap von Raya Sawalha, aktualisiert more than 1 year ago
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Erstellt von Raya Sawalha
vor mehr als 9 Jahre
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Forces and motion!
- Speed, velocity &acceleration
- speed
- average speed =distance moved/time taken
- on most journeys, the speed of a car varies, so the acctual speed
is usually different- than the average speed
- it is a SCALAR quantity
- measured in m/s
- measured in m/s
- it is a SCALAR quantity
- on most journeys, the speed of a car varies, so the acctual speed
is usually different- than the average speed
- average speed =distance moved/time taken
- velocity
- velocity means the speed fof
something AND its direction of
travel
- it is a VECTOR quantity
- measured in m/s
- measured in m/s
- it is a VECTOR quantity
- velocity means the speed fof
something AND its direction of
travel
- acceleration
- something is accelerating if its velocity is changing
- average acceleration = change in velocity/ time taken
- a = v-u / t
- u= initial
velocity, v=
final velocity
- measured in m/s^2
- u= initial
velocity, v=
final velocity
- a = v-u / t
- average acceleration = change in velocity/ time taken
- something is accelerating if its velocity is changing
- speed
- Free Fall
- The acceleration of free fall, g
- Acceleration of free fall is the same for ALL objectrs falling
nearthe earth's surface.
- The acceleration of free fall is represented by the symbol g , its
value varies slightly from one place to another beausethe earths
gravitational pull varies the simple figure used for equations is 10m/s^2
- The acceleration of free fall is represented by the symbol g , its
value varies slightly from one place to another beausethe earths
gravitational pull varies the simple figure used for equations is 10m/s^2
- Acceleration of free fall is the same for ALL objectrs falling
nearthe earth's surface.
- up and down
- The acceleration of free fall, g
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