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SFS Science Unit 4

vocab

QuestionAnswer
acceleration change in velocity divided by the
speed equals the distance traveled divided by the time it takes to travel that distance
average speed equals the total distance traveled divided by the total time taken to travel the distance
instantaneous speed instantaneous speed the speed of an object at one instant of time
velocity speed and direction of a moving object
kilogram (kg) SI unit for mass; approximately 2.2 pounds
momentum measure of how hard it is to stop a moving object; calculated as mass times velocity
mass amount of matter in an object
Law of conversation of momentum the total momentum of objects that collide with each other is the same before and after the collision
total distance formula total distance = sum of all paths taken
acceleration formula a = final speed - initial speed time
momentum formula p = mass x velocity
speed formula speed = distance time
Created by: lyncall
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