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| deals with the concepts that are needed to describe motion, without any reference to forces |
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| deals with the effect that forces have on motion |
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| the branch of physics that is formed by kinematics & dynamics |
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| a vector drawn from the original position to the final position of an object; denoted with a delta in front of the vector; magnitude equals the shortest distance between the two positions |
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| the distance traveled divided by the time required to cover the distance |
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| dividing the displacement by the elapsed time |
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| SI unit for average velocity |
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| instantaneous velocity/velocity |
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| how fast an object moves & the direction of the motion at each instant in time |
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| instantaneous speed/speed |
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| the magnitude of the instantaneous velocity |
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| equation for instantaneous velocity |
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| limit as change in time approaches zero of displacement/change in time |
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| As the change in time approaches zero in the equation for instantaneous velocity, what happens to the velocity? |
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| approaches the value of the instantaneous velocity |
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| change in velocity/elapsed time |
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| SI unit of average acceleration |
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| Does the vector for average acceleration point in the same direction as the vector for velocity when the object is speeding up? |
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| instantaneous acceleration/acceleration |
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| an object's acceleration at a particular instant of time; limit as change in time approaches zero of change in velocity/change in time |
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| Does the vector for average acceleration point in the same direction as the vector for velocity when the object is slowing down? |
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| In kinematics, what does "x" stand for? |
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| In kinematics, what does "a" or "a bar" stand for? |
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| In kinematics, what does "v" stand for? |
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| final velocity at time "t" |
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| In kinematics, what does "v knot" stand for? |
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| initial velocity at time "t knot" which is 0 seconds |
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| In kinematics, what does "t" stand for? |
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| time elapsed since "t knot" which is 0 seconds |
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| Under what conditions can the equations of kinematics be used? |
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| an idealized motion of an object downwards towards the Earth in which air resistance is neglected & the acceleration is nearly constant |
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| acceleration due to gravity |
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| the acceleration of a freely falling body; magnitude is denoted by "g" |
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| What is "g" equal to in m/s^2? |
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| Does "freely falling" always mean that an object is falling down? |
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| In any case of free fall, the object always experiences the same _____ due to gravity |
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| What does the slope of position/time equal to for an object? |
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| If an object is accelerating, what is changing? |
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| What does the slope of the line tangent to the position/time curve equal for an object? |
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| its instantaneous velocity |
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| What is the slope of the velocity/time curve equal to for an object? |
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