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14 Cards in this Set

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rate=
quantity/time
what are three other words for rate
speed/ velocity/ acceleration
does everything move? example: if a book is on resting on a desk is it moving and if yes how fast?
yes it is relative to the sun.
yes, 30 km/s
speed is a measure of?
how fast something is going
speed=
distance/time
what are some unit measures of speed?
m/h km/h m/s
acceleration=
change in velocity/ time
define good acceleration
is change in velocity in faster time
does direction change affect the acceleration? why?
yes because when you change direction it affects the velocity which affects acceleration
10 km/h / 1 s =
10 km/h*s
when an apple falls does it accelerate?
yes
acceleration=
change in speed/ change in time
instantanious speed of an object=
v= gravity* time
acceleration/time
when does a ball accelerate faster, when thrown up or when it comes down
they are equal