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A runner went 15 km in 30 minutes and an additional 10 km in the next 30 minutes. What was the runner's average speed?
constant
time
negative acceleration.
speed and direction
-.22 m/s/s
25 km/hr
the speed of the object.
m/s/s
A train slowing to a stop is an example of
constant
time
negative acceleration.
speed and direction
-.22 m/s/s
25 km/hr
the speed of the object.
m/s/s
If speed is measured in meters and time is measured in seconds, then acceleration is measured in
constant
time
negative acceleration.
speed and direction
-.22 m/s/s
25 km/hr
the speed of the object.
m/s/s
A boater was traveling 10 m/s when he ran out of gas and slowly floated to a stop in 45 seconds. What was the boaters average acceleration?
constant
time
negative acceleration.
speed and direction
-.22 m/s/s
25 km/hr
the speed of the object.
m/s/s
You can show the motion of an object on a line graph in which you plot distance against
constant
time
negative acceleration.
speed and direction
-.22 m/s/s
25 km/hr
the speed of the object.
m/s/s
If you know the distance an object has traveled in a certain amount of time, you can determine
constant
time
negative acceleration.
speed and direction
-.22 m/s/s
25 km/hr
the speed of the object.
m/s/s
If you know the velocity of an object, you know its
constant
time
negative acceleration.
speed and direction
-.22 m/s/s
25 km/hr
the speed of the object.
m/s/s
In an acceleration graph showing speed-versus-time, a horizontal line shows the acceleration is
constant
time
negative acceleration.
speed and direction
-.22 m/s/s
25 km/hr
the speed of the object.
m/s/s
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