accurate ANSWERS.
Qs
Speed equals distance divided by:
Time
Velocity
Size
Motion - n
ANS✔
Time
Qs
When you know both the speed and direction of an object's motion, you know the:
Average speed
Instantaneous speed
Distance traveled
Velocity - n
ANS✔
Velocity
Qs
The rate at which velocity changes is called:
Instantaneous speed
Direction
Acceleration
Motion - n
ANS✔
Acceleration
,Qs
Which of the following is the SI unit of acceleration :
m/s
m/s^2
m^2/s
s^2/m - n
ANS✔
m/s^2
Qs
On a graph showing distance versus time, a horizontal line represents an object
that is:
Moving at a constant speed
Increasing its speed
Decreasing its speed
Not moving at all - n
ANS✔
Not moving at all
Qs
An object changing direction is an example of:
Acceleration
Speed
Velocity
Constant rate - n
ANS✔
Acceleration
Qs
, Which of these is an example of deceleration:
A bird taking off for flight
A roller coaster moving down a steep hill
A car approaching a red light
An airplane following a straight flight path - n
ANS✔
A car approaching a red light
Qs
When an object's position relative to another object is changing:
It is in motion
It is speeding
It had a high velocity
It is accelerating - n
ANS✔
It is in motion
Qs
A place or object used for comparison to determine if something is in motion is
called:
A position
A reference point
A constant
Velocity - n
ANS✔
A reference point
Qs
If an object moved in the same direction and at a constant speed for 4 hours, which
of the following is true: