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Test Bank for College Physics Test 1 (11th edition by Hugh D Young)
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Test Bank for College Physics Test 1 (11thedition by Hugh D Young)
In a proportional relation such as Δx=vx*Δt, what happens to Δx if Δt is tripled?
Δx increases by a factor of 3
What does uniform motion look like on a position-versus-time graph?
Any straight line
If the velocity of an object is changing, the position versus time graph is
A curve
Instantaneous velocity is the speed and direction
At a specific instant of time
How would rearrange the uniform motion equation, xf = xi +vx*Δt to find Δt?
Δt = (xf-xi)/vx
In a position-versus-time graph what is graphed on the vertical axis?
Position
The frictional force on a book sliding across a table
Is not in this chapter
The convention for velocity (in this book) is negative velocity points to
The left or down
Kinematics is the description of
, Motion
The area under a velocity-versus-time graph is
The displacement of the motion
The visual overview of a problem can include
A motion diagram
A pictorial representation
A list of values
The constant acceleration equations (section 2.5)
Relate position, velocity, time and acceleration
The SI units for acceleration are
M/s^2
Acceleration is defined as
A change in the velocity of an object
The problem-solving approach in this chapter is for problems involving
Increases in speed
Horizontal motion
Vertical motion
A negative acceleration means
The acceleration points to the left or down
If the velocity of an object is constant what does a velocity versus time graph look like?
A horizontal line
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