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Baylen Reid

Unit Two Vocab~ Physical Science

QuestionAnswer
a change in an object's position relative to a reference point Motion
The length an object travels, measured in si units of meters Distance
distance and direction of an object's change in position from the starting point Displacement
distance an object travels per unit of time. Speed
the speed and direction of a moving object Velocity
it is used as a reference for comparing the heating and the electrical energy involved Reference Point
a quantity possessing both magnitude and direction Vector Quantity
a constant physical quantity which is expressed in single-number values, such as energy or temperature Scalar Quantity
a speed that does not change. Constant Speed
total distance an object travels divided by the total time it takes to travel that distance Average Speed
Speed of an object at a given point in time; is constant for an object moving with constant speed and changeas with time for an opbject that is slowing down or speeding up. Instantaneous Speed
Rate of change of velocity, can be calculated by dividing the change in the velocity by the time it takes the change to occur. Acceleration
to slow down Deceleration
Created by: Baylen9415
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