Measuring Motion Review Question Preview (ID: 39878)
Motion Review.
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To run the 800 meter race you must run around the track 2 times, ending at the race at the same place your started it. What is your displacement
a) 0
b) 2
c) 800
d) 400
A girl leaves a history classroom and walks 20 meters north to a drinking fountain. Then she turns and walks 30 meters south to an art classroom. What was her total distance and displacement from the history classroom?
a) distance = 20 , displacement = 30
b) distance = 50 , displacement = 30
c) distance = 50, displacement = 10
d) distance =50, displacement = 50
Olympic gold medalist, Usain Bolt, starts running north for the 5 km race at 10:15 am and finishes at 10:35 am. Given this information you can calculate the runner’s:
a) Velocity
b) mass
c) acceleration
d) Momentum
What condition is needed for an object to make a good reference point?
a) The object has a constant velocity
b) The object is the same size as the moving object
c) The object is stationary
d) The object is moving at the same rate as the object you are trying to describe
To determine the velocity of a moving object, you need to know both:
a) distance and time
b) speed and direction
c) direction and time
d) speed and time
Changing direction can be an example of a kind of:
a) momentum
b) acceleration
c) speed
d) constant rate
The rate at which an object moves is called?
a) motion
b) speed
c) acceleration
d) velocity
A change in velocity over time is?
a) motion
b) acceleration
c) velocity
d) speed
Speed in a given direction is?
a) speed
b) acceleration
c) motion
d) velocity
A car that traveled a total of 215 km south in 3.5 hours. What is the displacement?
a) 3.5 hour
b) 215 km
c) 215 km south
d) 61.4 km/hr south
What is the velocity of a car that traveled a total of 215 km south in 3.5 hours?
a) 3.5 hr
b) 215 km south
c) 61.4 km/hr
d) 61.4 km/hr south
A track star is set to begin a race. When she hears the gun, she begins to run, reaching a top speed of 8 meters per second. It took her 4 seconds to reach her top speed. What is her final velocity (speed)
a) 4 seconds
b) 8 m/s
c) 0 m/s
d) 2 m/s2
A track star is set to begin a race. When she hears the gun, she begins to run, reaching a top speed of 8 meters per second. It took her 4 seconds to reach her top speed. What is her initial velocity (speed)
a) 4 seconds
b) 8 m/s
c) 0 m/s
d) 2 m/s 2
A track star is set to begin a race. When she hears the gun, she begins to run, reaching a top speed of 8 meters per second. It took her 4 seconds to reach her top speed. What is her acceleration
a) 4 seconds
b) 8 m/s
c) 0 m/s
d) 2 m/s 2
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