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Physical Science Schpt 2
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occurs when and object changes position
motion
to know wether or not the position of something has changed, you need a _____
refernce point
how far an object has moved
distance
the distance and direction of and objects change in position from the starting point
displacement
the speed at a given point in time
instantaneous speed
instantanteous speed is measured on a _____
speedometer
includes the speed of an object anf the direction of its motion
velocity
formula for velocity/speed=
s=d/t
the rate of change of velocity
acceleration
formula for acceleration=
a=v(f)-v(i)/t
the tendency of an object to resist anu change
inertia
an obejct moving at a constant velocity keeps moving at that velocity unless a net force acts on it
newtons first law(law of inertia)
Author
reganlsu1@yahoo.com
ID
19389
Card Set
Physical Science Schpt 2
Description
science cpht 2
Updated
2010-05-16T01:56:17Z
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