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Kinematics Review

QuestionAnswer
Define Scalar Quantities that are a fully described magnitude
Define Vector Quantities that are fully described by both a magnitude and a direction
Define Velocity Rate of change of position
Define Acceleration Rate of change of velocity
Define Mechanics The study of describing motion using diagrams, words, numbers, graphs, and equations
Distance: Scalar or Vector Scalar
Displacement: Scalar or Vector Vector
Speed: Scalar or Vector Scalar
Velocity: Scalar or Vector Vector
Acceleration: Scalar or Vector Vector
5 Miles: Scalar or Vector Scalar
2 in, up: Scalar or Vector Vector
20 Degrees Fahrenheit: Scalar or Vector Scalar
3ft North: Scalar or Vector Vector
If you walked 15 meters to the right and then 6 to the left what is your displacement if the origin is 0? 9 Meters
If you walked 6 to the right and 3 to the left what is the distance? 9 Meters
An object is moving for 10 seconds and went a total distance of 100 meters. What was the speed? 10 m/s
T/F If the velocity of an object is constant, its acceleration must be zero True
T/F An object can be moving for 10 seconds and still have zero displacement True
T/F A vector is a large quantity and a scalar is a small quantity False
T/F The quantity 20 m/s is a speed and such is a scalar quantity True
An object was traveling for 10 m/s and went a total of 20 meters. How long did it take them to reach the 20 meters? 2 seconds
Formula for velocity Xf - Xi --------- t
What do you round to when calculating velocity? Hundreths
An object starts 10 meters from the origin and ended up -3 meters from the origin. This took 13 seconds. What is the velocity? -1 m/s
Falling at an average acceleration of 9.8 m/s/s. If the object falls how long will it take for it to reach a speed of 49 m/s? 5 seconds
_____ Slope = positive direction Uphill
_____ Slope = negative direction Downhill
Constant velocity is a _______ line Straight
Changing velocity is a _______ line Curved
A curved line = _______ Acceleration
An object is stopped when the line is _________ Horizontal
If the line is horizontal it's velocity is ______ m/s Zero
To find velocity you take displacement divided by ______ Time
Slope = _______ Velocity
If the object is going in a negative direction it's velocity is _____ Negative
If the object is going in a positive direction it's velocity is _____ Positive
Constant velocity is represented by a _______ line Horizontal
Changing velocity is represented by a ________ line Straight
Slope = _________ Acceleration
When the object is a rest it crosses the ___ axis X
When the object speeds up it is going _____ the X-axis Away
When the object slows down it is going _____ the X-axis Towards
Created by: 16esmith