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Science CH 10 notes
abridged
25
Science
8th Grade
10/16/2012

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Cards

Term
Why does an object change position?
Definition
if it moves relative ot a reference point
Term
What includes the distance between the starting and ending points and the direction in which you travel?
Definition
displacement
Term
What is distance?
Definition
a nummerical description of how far apart objects are
Term
What is the distance travelled divided by the time taken to travel the distance?
Definition
speed
Term
What is the SI unit for speed?
Definition
m/s
Term
What is found by dividing the total distance traveled by the time taken?
Definition
average speed
Term
What is the SI unit for acceleration?
Definition
m/s squared
Term
What is the SI unit for mass?
Definition
kilogram
Term
What is momentum usually symobolized by?
Definition
p
Term
What is the momentum equation?
Definition
p= mass x velocity
Term
Momentum has a direction that is the same as what?
Definition
the directionof velocity
Term
includes the distance between the starting and ending points and the direction in which you travel
Definition
displacement
Term
the distance traveled divided by the time taken to travel
Definition
speed
Term
is found by dividing the total distance traveled by the time taken
Definition
average speed
Term
the speed of an object at one instance of time
Definition
instantaneous speed
Term
the speed of the object and direction of its motion
Definition
velocity
Term
the amount of matter in an object
Definition
mass
Term
tendency of an object ot resist a change in motion
Definition
inertia
Term
measure of houw hard it is to stop an object
Definition
momentum
Term
the total momentum of objects that collide is the same before and after the collision
Definition
law of conservation of momentum
Term
SI unit for Distance
Definition
m
Term
SI unit for speed
Definition
m/s
Term
SI unit for acceleration
Definition
m/s squared
Term
SI unit for Mass
Definition
kilogram
Term
SI unit for momentum
Definition
kg*m/s
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