Variables, Speed, Acceleration, And Velocity Question Preview (ID: 57043)


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Which one would have the units: Meters per second
a) Acceleration
b) Qualitative
c) Deceleration
d) Speed

Which one would have the units: meters per second per second
a) Acceleration
b) Speed
c) Velocity
d) Qualitative

The measurement always has a direction with it.
a) Speed
b) Acceleration
c) Velocity
d) Quantitative

Carl drives 100 miles to see his friend. It took him 2 hours to make the trip. What was his average speed?
a) 200 miles per hour
b) 20 miles per hour
c) 60 miles per hour
d) 50 miles per hour

A car traveling at 30 m/s starts to decelerate steadily. It comes to a complete stop in 10 seconds. What is it’s acceleration?
a) 3 meters per second per second
b) 3 meters per second
c) -3 meters per second per second
d) 90 meters per second per second

A train moves from rest to a speed of 135 m/s in 15.0 seconds. What is its acceleration?
a) 9 meters per second per second
b) -9 meters per second per second
c) 2025 meters per second
d) 9 meters per second

The variable that you count or measure is called the __________________.
a) independent variable
b) dependent variable
c) controlled variable
d) hypothesis

The variable that you change on purpose it called the _______________________.
a) independent variable
b) dependent variable
c) controlled variable
d) hypothesis

The variable that you keep the same the entire time is the ____________________
a) independent variable
b) dependent variable
c) controlled variable
d) hypothesis

Data that is a measurement and uses numbers is called ________________
a) controlled data
b) quantitative data
c) qualitative data
d) the best data

Data that is a description of something, such as cloudy, clear, shiny, not shiny is called _________________________.
a) controlled data
b) quantitative data
c) qualitative data
d) the best data

A train travels 120 km in 2 hours. What is its average speed?
a) 60 km/hr
b) 60 m/s
c) 240 km/hr
d) 50 m/s

Choose the one that represents a Velocity
a) 20 meters per second per second
b) 20 meters per second
c) 20 kilometers per hour
d) 20 kilometers per hour North

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