Scelta multipla
In one-dimensional motion, which statement correctly distinguishes speed from velocity?
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2. 1D Motion / Kinematics
Vectors, Scalars, & Displacement
Scelta multipla
In introductory physics, velocity is a vector quantity. What two parts make up a velocity vector?
A
Mass and acceleration
B
Work and power
C
Magnitude (speed) and direction
D
Distance and time
Guida verificata passo dopo passo1
Understand that velocity is a vector quantity, which means it has both size and direction.
Recall that a vector quantity is described by two components: its magnitude and its direction.
Recognize that the magnitude of velocity is the speed, which tells how fast an object is moving.
Identify that the direction component specifies the direction in which the object is moving.
Therefore, the two parts that make up a velocity vector are magnitude (speed) and direction.
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