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Test Bank for College Physics Chapter 2 (11th edition by Hugh D Young)
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Test Bank for College Physics Chapter 2 (11th edition by Hugh D Young)
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Test Bank for College Physics Chapter 2(11th edition by Hugh D Young)
Kinematics
the study of motion without considering its causes.
Position
Where it is at any particular time.
displacement
Change in position (m)
Equation for displacement
Distance
magnitude or size of displacement between two positions. (no direction)
Distance traveled
Total length of the path traveled between 2 positions.
question:
Answer:
Vector
any quantity with both magnitude and direction.
Scalar
any quantity that has a magnitude but no direction. Scalar can still be negative like in
temperature (-20)
, Choosing a positive and negative direction
Once you choose which direction is positive or negative, you can not change it.
Average Velocity
displacement/time
Instantaneous velocity
average velocity at a specific instant in time.
Instantaneous speed
The magnitude of instantaneous velocity.
Average speed
the distance traveled divided by elapsed time.
Question:
Solution:
average acceleration
the rate at which velocity changes
Acceleration equation
Deceleration
acceleration in the opposite direction of its motion.
Question
Solution:
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