Speed Velocity, Scalar Vector Question Preview (ID: 39818)


Calculations Of Speed And Velocity, Differences Between Them Conceptually. TEACHERS: click here for quick copy question ID numbers.

What is the point that is used to see if motion happened?
a) reference point
b) melting point
c) excellent point
d) bonus point

A runner completes one full lap on a 100-m track in 20 seconds. What was the velocity?
a) 0 m/s
b) 5 m/s
c) 2000 m/s
d) Remember... velocity uses the displacement from the reference point

A runner completes one full lap on a 100-m track in 20 seconds. What was the speed?
a) 5 m/s
b) 2000 m/s
c) 0 m/s
d) Remember... speed uses the total distance traveled

An elevator goes up 20 feet, then down 30 feet, then up 50 feet. This takes 5 minutes. What was the average velocity?
a) +8 ft/min
b) 20 ft/min
c) -8 ft/min
d) 20 ft/min up

An elevator goes up 20 feet, then down 30 feet, then up 50 feet. This takes 5 minutes. What was the average speed?
a) 20 ft/min
b) +8 ft/min
c) 20 ft/min up
d) -8 ft/min

A cat walks 12 m left, then 6 m right, then 2 m left, then 8 m right. What is the displacement?
a) 0 m
b) 28 m
c) 28 m left
d) 28 m right

A cat walks 12 m left, then 6 m right, then 2 m left, then 8 m right. What is the distance?
a) 28 m
b) 28 m left
c) 28 m right
d) 0 m

Which is NOT a way to accelerate?
a) no motion
b) speed up
c) slow down
d) change direction

A ball rolls 48 m in 6 seconds to the left, what is the velocity?
a) -8 m/s
b) +8 m/s
c) 8 m/s
d) 0 m/s

If it takes 6 hours to drive 300 km, what is the speed?
a) 50 km/hr
b) 60 km/hr
c) 306 km/hr
d) 1800 km/hr

Velocity is...
a) vector, it has size and direction
b) vector, it has size only
c) scalar, it has size only
d) scalar, it has size and direction

Speed is...
a) scalar, it has size only
b) scalar, it has size and direction
c) vector, it has size only
d) vector, it has size and direction

What makes velocity different from speed?
a) velocity has a direction and uses displacement
b) velocity uses distance and time
c) speed uses displacement and time
d) speed has no direction and uses displacement

What is the speed of an object that travels 350 m in 70 seconds?
a) 5 m/s
b) 50 m/s
c) 0.2 m/s
d) 2.0 m/s

What does speed need to be a velocity?
a) direction
b) distance
c) time
d) motion

When acceleration is zero, what happens to the motion?
a) constant motion
b) changing motion
c) increasing motion
d) decreasing motion

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