CONCEPTUAL WS

1

D KINEMATICS
1)
How is a vector quantity different from a scalar quantity?
2)
If the speedometer in a car reads a constant speed of 45 mi/hr, can you say that the car has a constant
velocity? Why or why not
?
3
)
In what situation does distance equal displacement?
4)
What quantity describes how quickly you change how fast you're traveling?
5
)
Is it possible to have
a
changing
speed but
a
constant
acceleration? Explain.
6
)
Is it possible to have
a c
onstant velocity and a
non

zero acceleration? Explain.
7
)
Object A increases its velocity from 10 m/s west to 20 m/s west. Object B increases its velocity from 30 m/s
east to 60 m/s east. Which object had the greater acceleration?
8
)
Why is
the direction of an object's acceleration important?
9
)
Describe the motion of a ball thrown straight up in the air.
10
)
Describe the acceleration of a ball thrown straight up in the air.
11
)
TRUE or FALSE: When a punted football reaches its g
reatest height, its acceleration is zero.
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