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Resolve the vector into x & y components 40.0 m/s at 45 o SoW
Chapter 3 Describing Motion
The act of changing location or position
A tool for the study of motion that uses a series of images to show position at equal time intervals
Defines a concept in terms of the procedure or operation used
A system used to describe motion indicating a zero point, direction, and change of a variable
A quantity that has only magnitude
A quantity that has both magnitude and direction
A scalar quantity equal to the length of one or many displacement vector (How far something moves)
The vector quantity defining distance and direction between two positions (How far something is from a starting position)
The change in displacement ( d) is the difference between the starting position (d i ) and the final position (d f )
Starting position: d i or d 0 Final position: d f or d 1
Change in displacement: d = d 1 - d 0 or d = d f - d i
The differences between two occurrences of two clock readings
The change in distance per unit time
The ratio of the total distance traveled over the total time interval
The change in displacement per unit time
Average Velocity (v)
The ratio of the total displacement over the total time interval
v = d/ t v = d 1 - d 0 t 1 - t 0
The speed & direction at a particular instant
The change in velocity per unit time
a = v/ t a = v 1 - v 0 t 1 - t 0
Describe similarities & differences between: 1) distance & displacement 2) speed & velocity
Write Formulas For: Displacement Average velocity Average acceleration
DRILL: A car travels 180 km in 30.0 minutes. Calculate its speed in m/s.
A car goes from 36 km/hr to 72 km/hr in 1.0 minute. Calculate its acceleration in m/s 2.
A jet accelerates from rest to 360 km/hr due north in 30.0 seconds. Calculate its final velocity.
1 st Order: y = 2x
2 nd Order Curve Y = x 2
3 rd Order Curve y = x 3
Inverse Curve y = 1/x
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