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IGCSE Physics
Describing Motion
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Speed
= Distance/Time
Average speed
= Total Distance/Total Time
When an object is losing it's
acceleration
, its called
decelerating.
Acceleration
is the rate at which speed is
changing.
Acceleration
of free fall (g) for a body near to the earth is
constant.
Acceleration =
Change
in
speed
/
Time
taken or
Final
speed -
Initial
speed/Time taken