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Warm Up Sept 12 - Position, Velocity, Acceleration Practice

Last updated over 1 year ago

3 questions

At t0, two cars moving along a highway are side-by-side as they pass a third car stopped on the side of the road. At this moment the driver of the first car steps on the brakes while the driver of the stopped car begins to accelerate. The diagrams below show the positions of each car for the next 5 seconds.

1 point

1

Question 1

1.

During which time interval would cars #2 and #3 be moving at the same average speed?

t0 to t1

t1 to t2

t2 to t3

t3 to t4

1 point

1

Question 2

2.

Which of the three cars had the greatest average speed during these 5 seconds?

car #2 and car #3 had the same average speed

car #2

all three cars had the same average speed

car #3

1 point

1

Question 3

3.

If car #3 continues to constantly accelerate at the same rate what will be its position at the end of 6 seconds?

24 m

68 m

72 m 

78 m