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Equations
7th grade phys eq
12
Physics
7th Grade
05/08/2012

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Term
Speed
Definition
speed=distance/time
Term
average speed
Definition
average speed=total distance/total time
Term
acceleration
Definition
acceleration=(final vel-initial vel)/time
Term
velocity that starts at 0
Definition
velocity=acceleration x time
Term
velocity that was already moving
Definition
velocity= initial vel + (acceleration x time)
Term
newton's second law of motion
Definition
acceleration=force/mass
Term
friction force
Definition
friction force=friction x normal force
Term
momentum
Definition
momentum= mass x velocity (or speed)
Term
impulse
Definition
impulse = force x time
Term
work
Definition
work= force x distance
Term
power
Definition
power = work done/time
Term
potential energy
Definition
potential energy = mass x height off ground x 9.8
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